Review 2022 pgs 9 -12

When two atoms share electrons, a chemical bond is formed.  This type of bond is called:

• covalent bond
• ionic bond
• crystal bond
• polyatomic bond

Which of these is covalent?

• NaCl
• Pb(NO₃)₂
• CO₂
• AlCl₃

An ionic bond happens between what kinds of elements?

• metals and metals
• metals and nonmetals
• nonmetals and nonmetals

In an ionic bond the metal wants to ______ electrons.

• lose

• gain

• share

When a metal loses an electron(s) it becomes a ...

• positive ion

• negative ion

• metalloid

• nonmetal

Is the following compound ionic or covalent?

A material that has a low boiling point

• Ionic

• Covalent

Is the following compound ionic or covalent?

A material that forms a crystal lattice

• Ionic

• Covalent

When dissolved in water, the solution is a good conductor of electricity.

• ionic compounds
• covalent compounds

Contains electrolytes in solutions.

• ionic compounds

• covalent compounds

Water, H₂O, is classified as what type of molecule?

• a polar molecule

• a nonpolar molecule

• a coordinate covalent compound

• an ionic compound