HESI A2 Chemistry (V1 & V2) questions and answers well illustrated.
HESI A2 Chemistry (V1 & V2) questions and answers well illustrated. If a hydrogen is in a compound, what would its oxidation number be - correct answers.+1 What is the oxidation number for any SIMPLE ion - correct answers.+1 or -1 depending on the charge of the ion How many kilograms are in a pound - correct answers.0.45 What is the temperature for freezing point of water in Celsuis - correct answers.0 degrees What is teh conversation of celsius to fahrenheit - correct answers.0C = 32F What is the oxidation number of an element atom - correct answers.0 What is the freezing point of sea water in fahrenheit - correct answers.0F How many amino acids are in a dipeptide - correct answers.2 If oxygen is in a compound, what would its oxidation number be - correct answers.-2 Which of the following pH values would lemon juice likely have - correct answers.2 What is a pentose - correct answers.5 carbon sugar What is the oxidation state of the sulfur atom in sulfuric acid (H2SO4) - correct answers.6 How many neutrons does carbon 14 have - correct answers.8 How many protons does potassium have - correct answers.19 How many amino acids are essential for human life - correct answers.20 amino acids 0 K is equal to ____ C - correct answers.-273 What does amphoteric mean - correct answers.a substance that can act as a acid or base What is Kelvin based around - correct ute zero A couple that is a hydrogen or proton donor, corrosive to metals, cause blue litmus paper becomes red and becomes less acidic when mixed with a base is - correct Mixture of 2 or more metals are - correct s Acids are: - correct n donors (H+) Alpha radiation has a + ___ and contains ____ protons and ____ neutrons; they admit ____ ions - correct answers.+2, 2, 2, Helium Type of alloy in which another metal is dissolved in Mercury - correct am Proteins are made up of - correct acids Glycogen is what kind of starch - correct l starch When an electron gains one or more electrons - correct answers.Anion Basic building block of a molecule - correct Bases are: - correct answers.Proton accepts (-OH) Beta radiation has a ___ charge; they _______ products of protons or neutrons - correct answers.+ or -, decomposition of a proton or neutron How do catalysts accelerate a chemical recation - correct answers.By reducing the amount of energy needed for a reaction to occur Define catalyst - correct answers.Substances that speeds up a chemical reaction What is an atom called when it LOSES 1 or more electron - correct answers.Cation What is chemical bonding - correct answers.The joining of an atom to form a new substance, Ionic and Covalent What is an ionic bond - correct rical attraction between 2 oppositely charged atoms (between metals and nonmetals) Ionic bonding: - correct d when an atom transfers an electron to another atom Single covalent bone - correct answers.1 shared electron pair (non-metal) Double covalent bond - correct answers.2 shared electron pairs
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