Ch. 6 Bonding Review

Often atoms join so that each atom will have

• more electrons than either protons or neutrons.
• an equal number of protons and electrons.
• an outermost energy level that is full of electrons
• an even number of electrons. 

An ionic bond is a bond that forms between

• ions with opposite charges.
• atoms with neutral charges.
• one atom’s nucleus and another atom’s electrons.
• the electrons of two different atoms.

In which type of bond do atoms share electrons?

• covalent
• metallic
• ionic
• polyatomic

When nickel combines with fluorine to form nickel (III) fluoride, the charge of the nickel ion is

• Ni¹⁺
• Ni²⁺
• Ni³⁺
• Ni⁴⁺

The name for the compound with the formula Cr₂O₃ would be written as

• chromium(I) oxide.
• chromium(II) oxide.
• chromium oxygen.
• chromium(III) oxide.

The polymer __________ determines your genetic makeup.

• carbohydrate
• DNA
• amino acid
• protein

There are strong bonds between the atoms in a piece of quartz. These bonds give quartz a

• low melting point.
• high melting point.
• low molecular mass
• high molecular mass

Atoms sometimes form bonds to

• lose energy
• become more stable
• give away neutrons
• give away protons

Copper atoms are held together by _______ bonds.

• metallic
• hydrogen
• ionic
• covalent

Sodium has one electron in its outer shell and chlorine has seven electrons in its outer shell. The atoms will form a(n) _____ bond by _____ their electrons. 

• covalent, transferring
• covalent, sharing
• ionic, transferring
• ionic, sharing