Cystic periventricular leukomalacia: sonographic and CT findings. alkaline solution A. BrCH_2CH_2Cl B. ClCH_2CO_2H C. ICH_2CH_2OH D. FCH_2CH_2NH_2 E. HOCH_2\ COCl, Which of the following substances is correctly categorized? (a) CH4 (b) OF2 (c) K2O (d) Cl2 (e) none of the above. Which of the following is not a form of energy heat mechanical solar matter c) NaBr is a covalent compound and CO2 is an ionic compound. Complete Work/Life Balance. Plasma Plasma is very similar to gas, In fact, the easiest way to describe plasma is as a gas that can carry an electrical charge. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 10-4 millimeters. D) cars driving on unpaved roads 18) Gravitational lensing occurs when The difference is the amount of energy input (activation energy) required to initiate the reactions depending on the presence or absence of enzyme. "Matter" is the singular form, and "matters" is the plural: One matter has been dealt with. Matter: The matter is the substance that has mass and occupies space. bonding of amine group to acid group Which statement about complementary base pairing is not true? 3 Ways Stress Affects Your Brain | MOSH - moshlife.com For binary ionic compounds, what type of element is always listed first (metal or nonmetal)? Which four elements comprise approximately 96% of our body weight? synthase. Multiple Choice o air light from a candle wax the propellant in an aerosol can a stain on clothing. Future US, Inc. Full 7th Floor, 130 West 42nd Street, B) matter that may inhabit dark areas of the cosmos where we see nothing at all In the first experiment to demonstrate this oddball phase, described in a 2003 study in the journal Physical Review Letters (opens in new tab), scientists at JILA in Boulder, Colorado cooled a cloud of half a million potassium-40 atoms to less than a millionth of a degree above absolute zero, then applied a magnetic field to them. A) Galaxies and clusters have grown around tiny density enhancements that were present in the early universe. a. sulfur and oxygen b. sodium and calcium c. sodium and sulfur d. barium and chlorine, Which one of the following statements is true about the periodic table? ATP Classify the following as elemental substances or compounds: Sulfur. 2. Yes, because the electronegativity difference between hydrogen and oxygen would still be present. Weegy: Matter is not a form of energy. Autopsy series suggest a 7%-22% incidence, but clinical recognition is poor. Which of these terms would best classify the enzyme represented in the figure? Adding or removing energy from matter causes a physical change as matter moves from one state to another. Vapour is the type of substance which forms when liquid converts into the gaseous phase. Plasma consists of highly charged particles with extremely high kinetic energy. 2. B The particles of matter have spaces between them. The major function of DNA is to provide the genetic instructions for protein synthesis. Classify (a) and (b) as chemical or physical changes. ATP is an unstable, high-energy molecule that provides body cells with a form of energy that is immediately usable. C) The actual density of dark matter and luminous matter combined is no more than about 1% of the critical density. D) measuring the temperatures of stars in the halos of the galaxies. MgO2 Mg + O2 a sodium ion Oxygen and sulfur both have six electrons in their valence (outermost) electron shells. Both reactions are exergonic. Atomic weight is equal to the number of protons and neutrons in the nucleus. Which of the following statements regarding matter is FALSE? an R group. This is what we hear as sound or noise: pressure changes in the fluid (matter) around our ears, caused by vibrations or movements of the particles in this matter. Non-matter includes the light from a torch, the heat from a fire, and the sound of a police siren. B. B) It is an unusually large cluster that has a lot of gravity. D) the luminous matter of the Milky Way is essentially floating on the surface of a great sea of dark matter. Hello. 3. What is represented by the chemical at B? Secondary protein structures involve hydrogen bonding between amine and carboxyl groups. What is the classification of a solution of NaOH with a pH of 8.3? 2. Writing isn't wam, bam, and done - it's a process like any other. 3. MODERN DERMATOLOGY - 12 Photos - 10460 N 92nd, Scottsdale, AZ - Yelp The four electrons contributed by the hydrogen atoms will fill the valence shell of carbon. Why? D) Within individual galaxies, dark matter is always concentrated near the galactic center, and within clusters it is always concentrated near the cluster center. DNA. B) They are subatomic particles. If there were nothing between a cloud and the ground, it would fall. Peptides bonds are used to join amino acids (monomers) together, forming larger molecules (polymers) ranging in size from small polypeptides to large proteins. We look forward to your enthusiastic participation. 3. Then the pile of graphite is (b) ignited with a hot flame. Weak acids and bases dissociate (ionize) partially and reversibly, whereas strong acids and bases dissociate completely and irreversibly. Chemical 17) What is the primary form of evidence that has led astronomers to conclude that the expansion of the universe is accelerating? 4. (Image credit: Research groups of Professor Andreas Zumbusch and Professor Matthias Fuchs). What kind of elements will form an ionic compound? Water can form hydrogen and oxygen gas under . the attraction between their respective nuclei A. I create, scale and optimise business opportunities that matter. 4. The hydrocarbon groups that dominate the structure of triglycerides are the basis for the efficient and compact energy storage by fat. B) Dark energy does not exist and there is much more dark matter than we are aware of to date. The atoms of a polar molecule share electrons equally. B) power generation. an amine group two triple bonds 9) If WIMPs really exist and make up most of the dark matter in galaxies, which of the following is not one of their characteristics? Which of the following are examples of matter? Which of the following is not considered a form of matter? Many other states of matter have been created under extreme or exotic conditions. Which of the following statement is not true regarding the characteristic of matter? Explain. Microwaves are a form of electromagnetic radiation with wavelengths ranging from one meter to one millimeter. The reactivity of an atom is based on the number of electrons in its outer valance shell. Which of the following is NOT a compound? two C) The galaxies in clusters would begin to fly apart. When two states of matter, such as solid and liquid, are at the equilibrium temperature and pressure, additional heat added into the system will not cause the overall temperature of the substance to increase until the entire sample reaches the same physical state, according to Encyclopaedia Britannica (opens in new tab). For type II binary ionic compounds, what type of element is always listed first (metal or nonmetal)? Which of the following statements regarding energy is true? Is Air Made of Matter? - ThoughtCo A) It magnifies the effects of gravity that we see in the cluster. It is a matter but not a state of matter. Answer:Plasma.Explanation:The three common forms of matter are liquids, solids, and gases. Two matters will be fixed going forward. water Combining two elements to form a compound is called what? Matter is a general term describing any 'physical substance'. What additional molecule is produced when fatty acids are bonded to glycerol to make a triglyceride? JENELLE Evans has posted a pre-gym selfie onto social media, displaying her new gains in tight workout clothes. What form of matter is made from only one type of atom a. element b. material c. compound d. molecule. 4. Atomic weight is determined by the number of protons in an atom of a given element. The enzyme-substrate complex undergoes internal rearrangements that form the product(s). Carbon iv oxide is a combination of which elements? neutral solution Fermionic condensates are another type of lab-made matter. By contrast, mass is not a substance but rather a quantitative property of matter and other substances or systems; various types of mass are defined within physics - including but not limited to rest mass, inertial mass, relativistic mass, mass-energy . A) Hubble's law of expansion applies only to the space between galaxies. B) the broadening of absorption lines in an elliptical galaxy's spectrum if two atoms of element A react with three atoms of element B, what is the chemical formula for the resulting compound? B) The expansion rate has slowed by the amount expected for a universe with the critical density (a critical universe). Earnings Per Share (IAS 33), Not for Profit o, Agriculture (Biological Assets) (IAS 41), Inv, Accounting Changes (ASPE 1506 and IAS 8), Fin, Abe Mizrahi, Edward E. Prather, Gina Brissenden, Jeff P. Adams, Jeffrey O. Bennett, Mark Voit, Megan O. Donahue, Nicholas O. Schneider, Creating the Constitution-1 short version. The swimmer's body contains a lower concentration of electrolytes (salts) compared to the freshwater lake The valence electrons are then made up by the forming of an ester bond. a hydrogen atom within a water molecule a. K b. H2O c. Ti d. HF, Which of the elements listed below would most likely form an ionic bond when bonded to oxygen? Give the chemical name for each of the following binary compounds: nonmetal-nonmetal. So we've created the antidote. 1. E) It is the only type of particle that interacts through the weak force. I love the sweet spot when strategy, execution and leadership come together. two oxygen atoms. hydrogen Which of the following is a physical property of a substance? Study with Quizlet and memorize flashcards containing terms like Which of the following is NOT an example of matter?, Which of the following is a physical property of a substance? Answer. No, because the difference in the pull of oxygen on the bonding electrons would be neutralized. a. phosphorus b. nitrogen c. oxygen d. carbon. 2. Which of the following is not the state of matter? - Toppr Ask Answers: 2 Show answers Another question on Biology. In a liquid, the particles are more loosely packed than in a solid and are able to flow around each other, giving the liquid an indefinite shape. What is the name of the binary nonmetal compound CS2? All of the chemical energy released from the hydrolysis of ATP can be used by the cell to do work. What type of chemical bond is most likely to occur between sodium and chlorine? amino acid Hence, it is matters. Chapter 3 Chemistry Flashcards | Quizlet Chemically, the triphosphate tail of ATP can be compared to a tightly coiled spring ready to uncoil with tremendous energy when the catch is released. table sugar, or sucrose (C12H22O11) the kinetic energy of the reactants It is not really "lost" because energy cannot be created or destroyed, but that portion given off as heat is at least partly unusable. 1. A. Mixtures: It has both mass and space. Sodium has one valence electron, while chlorine has seven. Show the details of your work. C) matter consisting of black holes C) dark matter builds up in a particular region of space, leading to a very dense region and an extremely high mass-to-light ratio. Both reactions are exergonic A a. participation. These three states of matter are made up of atoms and have volume. For example, in January 2021, research published in the journal PNAS revealed that during the transformation between the state of liquid and solid, glass becomes a new state of matter referred to as liquid glass. Dilbert Creator Scott Adams Sets the Internet on Fire Physical, Polymerizes to form polyethylene. a. MnS b. MnBr2 c. Mn2O3 d. MnO, Which of the following cations is likely to be hydrated in compounds? A) The cause of the acceleration is well-understood, and attributed to the particles that make up dark energy. False, The pH scale __________. energy storage Because of its polar nature, water is able to form hydrogen bonds. Define the following: atom, element, and compound. oxygen gas b.) 3. A) hydrogen B) chlorine C) oxygen D) carbon, Which substance is an ionic compound? 9) Which of the following is not one of the three main strategies used to measure the mass of a galaxy clusters? 13) Based on current evidence, how does the actual average density of matter in the universe compare to the critical density? Scientists often have to deal with numbers that are either very large or very small. States of matter - Welcome! Science Learning Hub bonding of amine group to acid group Which of the following is a FALSE statement about carbohydrates? Elements C. Light D. Compounds. 1. Which halogen can only be prepared from its fused compounds? A) There are not enough neutrinos to make up all the dark matter. Iatrogenic Acute Carpal Tunnel Syndrome | Semantic Scholar D) No, because their gravity is strong enough to hold them together even while the universe as a whole expands. Chemical Give the chemical name for each of the following binary compounds: nonmetal-nonmetal. Course Evaluation - Buddhist Psychology: Essential Skills For 42) What is not a main source of evidence for the existence of dark matter? Sodium gives up its valence shell electron (becoming a cation) to drop back to a stable valence shell, and chlorine gains one electron (becoming an anion) to fill its valence shell and become stable. an active site What Are the States of Matter? | Plasma and More Types of Matter Both reactions are endergonic. A judgment or order shall not contain a recital of the pleadings or the record of prior proceedings. Energy "lost" during an energy conversion refers to the energy that cannot be used to do work The swimmer's body contains a higher concentration of electrolytes (salts) compared to the freshwater lake a phosphate group. B) It interacts only through the weak force and the force of gravity. Which element forms the most compounds? Classify (a) and (b) as chemical or physical changes. Deposition occurs when a gas transforms directly into a solid, without going through the liquid phase. a. magnesium and fluorine b. nitrogen and sulfur c. oxygen and chlorine d. sodium and aluminum. Matter does NOT exist in which form? - istudy-helper.com C) The expansion rate has been increasing with time (an accelerating universe). Liquid matter is made of more loosely packed particles. (b) Chemical or Physical, Gas at room temperature For a given value of Hubble's constant today (such as 24 km/s/Mly), the age of the universe is oldest if what is true? Liquids cool as they evaporate because the energy transferred to surface molecules, which causes their escape, gets carried away with them. Monosaccharides are joined to form polysaccharides, and amino acids are joined to form proteins by this process. D) gravitational lensing around galaxy clusters The conversion of potential energy into kinetic energy is an example of work The reaction in the presence of enzyme will form a larger proportion of product. MgO2 Mg + O2 B) Voids between superclusters began their existence as regions in the universe with a slightly lower density than the rest of the universe. e) All of these are molecular compounds. Yes, because the oxygen would not bond equally to the two hydrogen atoms. Tamang sagot sa tanong: 2. D) The actual density of matter is many times higher than the critical density. Inertia is the tendency of the matter to be in a state of rest or motion. A) massive blue stars Nonpolar molecules are the result of unequal electron pair sharing. Which of the two compounds in the pair below is more basic in water? a peptide bond Therefore, it will form covalent bonds with four hydrogen atoms. They would all be likely to form positive ions. which of the following is not a form of matter The gray matter is responsible for your thinking. 2) Which of the following best summarizes what we mean by dark energy? A Solid B Liquid C Gas D Vapour Easy Solution Verified by Toppr Correct option is D) Matter has three main state of matter that is solid, liquid and gas. C) Dark matter is present in individual galaxies, but there is no evidence that it can exist between the galaxies in a cluster. 24) What do we mean when we say that a particle is a weakly interacting particle? The polarity of water allows it to easily dissociate most covalently bound compounds. an amine group and an acid group Which of the following substances react with oxygen? B) We have moderately strong evidence that the acceleration is real, but essentially no idea what is causing it. Kinetic energy pushes the reactants to an energy level that encourages their interaction and the rearrangement of their chemical bonds. Because they don't reach equilibrium or a steady state, they are able to dodge the second law of thermodynamics, which states that the disorder, or entropy, of a closed system, always increases. one potassium atom and one fluorine atom A) matter that we have identified from its gravitational effects but that we cannot see in any wavelength of light AP1 chapter 2 quiz Flashcards | Quizlet Energy can be defined as the quantitative property . When heat is removed from a liquid, its particles slow down and begin to settle in one location within the substance. (a) MgCl_2 (b) CaCO_3 (c) Na_2Cl. Solids may break when pressed, but changing their shape is difficult, hence they are inflexible. "Moving forward from this experience, the District is working closely with counselors, mental health experts and multiple community partners and agencies to provide support to children and staff . D) observations of white dwarf supernovae. A. D) matter for which we have theoretical reason to think it exists, but no observational evidence for its existence, 26) Which of the following are candidates for dark matter? two double bonds D) Dark matter probably does not really exist, and rather indicates a fundamental problem in our understanding of gravity. Chapter 2 Lecture Flashcards | Quizlet All rights reserved. d) Methane(CH4). The chemical reactivity of an atom is based on the overall number of electrons in the atom. catalysts. Is the name of the first element in the compound different from the element? The chloride ion (Cl) indicated by the arrow is interacting most closely with which of the following?