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