a) Na and O b) Li and Ne c) Fe and S d) Ca and I, Which of the following are ionic compounds? It then emits flames and smoke. The freshwater lake cannot conduct an electrical current. a. phosphorus b. nitrogen c. oxygen d. carbon. C) Neither dark energy nor dark matter really exist. Classify the following as either compounds or elements: a. copper b. salt c. water. This is true. What is a compound? True (Image credit: Research groups of Professor Andreas Zumbusch and Professor Matthias Fuchs). Which statement about complementary base pairing is not true? Answers: 2 Show answers Another question on Biology. When the substance reaches a certain combination of temperature and pressure, its melting point, the solid will begin to melt and turn into a liquid. ATP Solids include things like solid ice, sugar, rock, wood, etc. A. corrosiveness B. boiling point C. toxicity D. flammability, Which of the following is NOT an example of a physical property? The enzyme releases the product(s) of the reaction. When you purchase through links on our site, we may earn an affiliate commission. The swimmer's body and the freshwater lake conduct electrical currents equally well In the absence of responsive caregivingor if responses are unreliable or inappropriatethe brain's architecture does not form as expected, which can lead to disparities in learning and behavior. I. Ionic In a solid, particles are packed tightly together so they don't move much. This problem has been solved! 1.Nonpolar molecules have partial charges which can lead to hydrogen bonding. It does not have mass and volume. 2. 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? B. Please identify each of the following substances. 15. a form of potential energy called chemical energy, chain-melted state, that stably exists as both a solid and liquid at once, a form of matter that were first proposed in 2012, Google announced that it had made a time crystal in a quantum computer, fermionic condensates were first created in 2004, where the matter in the universe came from, In rare case, mother delivers two sets of identical twins, back to back, 'Brain-eating' amoeba case in Florida potentially tied to unfiltered water in sinus rinse, New Moai statue that 'deified ancestors' found on Easter Island. The products of exergonic reactions contain more potential energy than the reactants that form them Bose-Einstein condensates, however, are only made in the lab. A) Hubble's law of expansion applies only to the space between galaxies. Time crystals are a form of matter that were first proposed in 2012 (opens in new tab) by Nobel-prize winning physicist Frank Wilczek. 9) Which of the following is not one of the three main strategies used to measure the mass of a galaxy clusters? Atoms come together to form molecules, which are the building blocks for all types of matter, according to Washington State University (opens in new tab). Which of the following pairs of elements will not form ionic compounds? 1. 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. copyright 2003-2023 Homework.Study.com. Compounds are formed by chemical bonds between different kinds of atoms. a. CH4 b. NaH c. PH3 d. IBr3 e. none of the above are ionic compounds. D) the luminous matter of the Milky Way is essentially floating on the surface of a great sea of dark matter. The gray matter is responsible for your thinking. Hello. B) Voids between superclusters began their existence as regions in the universe with a slightly lower density than the rest of the universe. Vaporization is the conversion of a liquid to a gas and can occur through either evaporation or boiling (opens in new tab), according to Encyclopaedia Britannica. 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. 3. What are compounds composed of? Carbon iv oxide is a combination of which elements? carbohydrates What is the primary energy-transferring molecule in cells? D) It is a type of energy that is associated with the "dark side" of The Force that rules the cosmos. Lichtenstein used comic strips as subject matter because. b) Na and Cl. Which of the following is not a form of electromagnetic radiation? B) Dark matter is present between galaxies in clusters, but not within individual galaxies. a sodium ion Example O 2. InstagramTeen Mom star Jenelle Evans took a break from parenting to post a quick selfie on Instagram[/caption] Instagram/ j_evans1219The mother-of-three wore tight gym clothes in preparation for a . BECs are also used to simulate conditions that might exist in black holes. What type of chemical bond is most likely to occur between sodium and chlorine? a) C and Fe. a. True Acetic acid and potassium hydroxide net ionic equation. small atoms with 6 or 6 valence electrons tend to be electronegative Use code SAVE50 or SAVE50P (for payment plans) 4. The reaction in the presence of enzyme will form a larger proportion of product. Createyouraccount. 1. Quarks combine into protons and neutrons and, along with electrons, form atoms of the elements of the periodic table, such as hydrogen, oxygen, and iron. What Type of Matter Is Air? Provide one reason why mitosis occurs. a peptide bond Which of these substances is a covalent compound? 3. Matter: The matter is the substance that has mass and occupies space. Tamang sagot sa tanong: 2. Which element forms the most compounds? Explain. C) It bends or distorts the light coming from galaxies located behind it. Solids may break when pressed, but changing their shape is difficult, hence they are inflexible. The reactivity of an atom is based on the number of electrons in its outer valance shell. Live Science is part of Future US Inc, an international media group and leading digital publisher. a. HCl b. Cl2O c. SF6, Give the chemical name for each of the following binary compounds: nonmetal-nonmetal. What is the classification of a solution of NaOH with a pH of 8.3? Amino acids are linked by peptide bonds to form peptides. Peptide bonds are formed by hydrolysis. Please read the details below on how to participate and we look forward to your participation. 3. C) Dark matter is present in individual galaxies, but there is no evidence that it can exist between the galaxies in a cluster. Energy: Light, heat, kinetic and potential energy, and sound are non-matter because they are massless. synthase. Answer. From what types of damage does the skin protect the body? Dry ice or solid carbon dioxide sublimates from a solid to a gas at temperatures of around -109.3F (-78.5 C). can form hydrogen bonds D) telescope lenses are distorted by gravity. ammonia (NH3). If the molecules indicated by (A) are amino acids, then the line in the figure indicated by (D) is __________. New York, Because of this, particles in a solid have very low kinetic energy. Answer:Plasma.Explanation:The three common forms of matter are liquids, solids, and gases. 12) What is the mass-to-light ratio for the inner region of the Milky Way Galaxy, in units of solar masses per solar luminosity? The polarity of water allows it to easily dissociate most covalently bound compounds. alkaline solution 6) If there is no dark matter in the Milky Way Galaxy, what is the best alternative explanation for the observations? C) The universe is not old enough yet for these objects to begin their expansion. 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 . 3. I. CaO II. Which compounds, NaH, PH3, CH4, IBr3 are ionic compounds? four 3. Hydrogen, Ionic, Covalent. B) the broadening of absorption lines in an elliptical galaxy's spectrum Secondary protein structures involve hydrogen bonding between amine and carboxyl groups. Much like solids, liquids (most of which have a lower density than solids) are incredibly difficult to compress. |Score 1| Janet17 |Points 46337|. exchange Energy can be defined as the quantitative property . III<1