Compounds

The most common ion formed by beryllium is

• Be⁻
• Be²⁻
• Be ⁺
• Be²⁺

What is the best name for the positively charged ion?

• cation
• anion
• metal
• nonmetal

Two main different types of bonding are

• ionic and molecular
• binary and polyatomic
• ionic and polyatomic
• binary and molecular

Metals tend to form what form of ions?

• cations
• anions
• depends on their state of matter
• metals do not form ions

alkali metals form what charge of ions?

• 1-
• 2-
• 1+
• 2+

halogens form what charge of ions?

• 1-
• 2-
• 1+
• 2+

Which is the most common charge of the ions formed by noble gases?

• 1-
• 1+
• 2-
• noble gases do not form ions

When calcium binds with iodine, the compound formed is

• CaI
• Ca₂I
• CaI₂
• Ca₂I₂

Binary compounds contain

• only 2 atoms
• only 2 different elements
• many different elements
• 2 non metals

Molecular compounds contain

• 1 metal and 1 nonmetal
• only metals
• only nonmetals
• more than 2 elements (either metal or nonmetal)