Quarter 3 Exam Vocab Review

The degree of polarity of a covalent bond between two atoms is determined by calculating the difference in their _______.

• atomic radii

• melting points

• electronegativities

• ionization energies

The amount of energy required to remove the outermost electron from a gaseous atom in the ground state is known as _______.

• first ionization energy

• activation energy

• conductivity

• electronegativity

Which term identifies the strongest type of intermolecular force?

• covalent bonding

• hydrogen bonding

• ionic bonding

• metallic bonding

Which term represents the strength of the attraction an atom has for the electrons in a chemical bond?

• electrical conductivity

• electronegativity

• first ionization energy

• specific heat capacity

Two atoms that are different isotopes of the same element have _______.

• the same number of protons and the same number of neutrons

• the same number of protons but a different number of neutrons

• a different number of protons but the same number of neutrons

• a different number of protons and a different number of neutrons

Which subatomic particles are matched with their charges?

• Protons are positive and neutrons are negative.

• Protons are positive and electrons are negative.

• Protons are negative and neutrons have no charge.

• Protons are negative and electrons have no charge.

The elements on the Periodic Table of the Elements are arranged in order of increasing _______.

• atomic mass

• formula mass

• atomic number

• oxidation number

The weighted average of the atomic masses of the naturally occurring isotopes of an element is the

• atomic mass of the element

• atomic number of the element

• mass number of each isotope

• formula mass of each isotope

On the Periodic Table, the number of protons in an atom of an element is indicated by its

• atomic mass

• atomic number

• selected oxidation states

• number of valence electrons

When an atom becomes a positive ion, the radius of the atom

• decreases

• increases

• remains the same