Chemistry 8 Honors

a bond formed by the sharing of electrons between atoms

• ionic bond
• metallic bond
• covalent bond

a neutral group of atoms joined together by covalent bonds

• ionic crystal
• molecule

a molecule consisting of two atoms

• monatomic molecule
• diatomic molecule
• polyatomic molecule

the mnemonic for remembering which non-metal elements form diatomic molecules

• HIFBrINDl
• HARFrAZl
• HOFBrINCl

a compound composed of molecules (i.e. covalently bonded)

• ionic compound
• molecular compound

The melting and boling points of molecular compounds tend to be _____ than those of ionic compounds.

• higher
• lower

A chemical formula which ONLY shows how many atoms of each element a molecule contains.

• molecular formula

• structural formula

A molecular formula does not tell about a molecule's _____.

• number of atoms
• structure
• type of elements

In forming covalent bonds, electron sharing occurs so that atoms attain the electron configurations of noble gases.

• octet rule
• sharing rule
• valence electron rule
• duet rule

the bond formed when atoms share one pair of electrons

• single covalent bond
• double covalent bond
• triple covalent bond