Hesi Chemistry 2022 QUESTIONS AND ANSWERS
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Hesi Chemistry 2022 QUESTIONS AND ANSWERS What best describes the product of a chemical equation? - ANS-it is the desired end result What makes the polysaccharide known as glycogen - ANS-animals ... What are high-energy, high-speed electrons or positrons emitted by certain types of radioactive nuclei? - ANS-beta particles The core of the atom's nucleus consists of what ? - ANS-protons and neutrons If a temperature fluctuates 100 kelvins, by how much does it change in degrees Celsius? - ANS-100 degrees Celsius Kelvin is an extension id Celsius scale What is a catalyst ? - ANS-substance that speeds up the rate of a chemical reaction An atom of bismuth has a mass number of 209 and an atomic number of 83. How many neutrons are in one bismuth atom? - ANS-126 What has no charge in an atom? - ANS-neutron What three things about noble gases are true? - ANS-they do not have a charge when they are in a solution they generally remain neutral their outer orbits are complete The oxidation of most elements in their natural state is _____ - ANS-0 Single covalent bond - ANS-a bond formed when two atoms share a pair of electrons Double covalent bond - ANS-a bond in which two atoms share two pairs of electrons Nonpolar covalent bond - ANS-chemical bond that has a covalent bond in which electrons are equally attracted to both nuclei Polar covalent bond... [Show More]
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