Chapter 2 - Mader Biology All Possible Questions and Answers with complete solution
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Chapter 2 - Mader Biology
Institution
Chapter 2 - Mader Biology
compound - substance formed by the chemical combination of two or more elements in definite
proportions
calorie - amount of energy needed to raise the temperature of 1 gram of water by 1 degree
Celsius
acid - any compound that increases the number of hydronium ions when dissolved in water
atom...
Chapter 2 - Mader Biology
compound - substance formed by the chemical combination of two or more elements in definite
proportions
calorie - amount of energy needed to raise the temperature of 1 gram of water by 1 degree
Celsius
acid - any compound that increases the number of hydronium ions when dissolved in water
atom - the basic unit of matter
atomic mass - the weighted average of the masses of the isotopes of an element
atomic number - the number of protons in an atom
atomic symbol - a one or two letter abbreviation for an element
base - a substance that reduces the hydrogen ion concentration of a solution
buffer - compound that prevents sharp, sudden changes in pH
covalent bond - a bond formed when atoms share one or more pairs of electrons
electron - negatively charged particle; located outside the atomic nucleus
electronegativity - the ability of an atom to attract electrons when the atom is in a compound
electron shell - an energy level of electrons at a characteristic average distance from the nucleus
of an atom
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