Exam

When determining the size of an atom by measuring the distance between identical nuclei, the radius of an atom is..

a.) Equal to the distance between the nuclei

b.) one half the distance between nuclei

c.) twice the distance between nuclei

d.) one forth the distance between the nuclei

answer: B. one half the distance between the nuclei

When the electron is added to the neutral atom, a certain amount of energy is

a.) always absorbed

b.) always released

c.) either released or absorbed

d.) burned away

answer: C. either released or absorbed

atomic size is determined by measuring the..

a.) radius of an individual atom

b.) distance between nuclei of adjacent

c.) diameter of an individual atom

d.) volume of the elctron cloud of adjacent atoms

answer: B. distance between nuclei of adjacent atoms

the energy required to remove an electron from an atom is the atom’s…

a.) electron affinity

b.) electron energy

c.) electronegativity

d.) ionization energy

answer: D. ionization energy

which represents a neutral atom acquiring an electron in an exothermic process?

a.) A+ e= energy -; A

b.) A + e -; A– energy

c.) A + e-; A– + energy

d.) A + eneergy -; A+ e

answer: C.) A + e-; A– + energy
x

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