Investigation 3

Front

The ions in most all ionic compounds are organized into a

Back

crystal form

Front

Bonding in molecules or ions that cannot be correctly represented by a single Lewis structure is

Back

resonance

Front

The electrons involved in the formation of a chemical bond are called

Back

valence electrons

Front

If two covalently bonded atoms are identical, the bond is

Back

nonpolar covalent

Front

Which of the following is not an example of a molecular formula? H₂O, B, NH₃, O₂

Back

B

Front

The electron configuration of nitrogen is 1s²2s²2p³. How many more electrons does nitrogen need to satisfy the octet rule?

Back

3

Front

In drawing a Lewis Structure, each nonmetal atom except hydrogen should be surrounded by

Back

8 electrons

Front

To draw a Lewis Structure, one must know the

Back

number of valence electrons in each atom

Front

The lattice energy is a measure of the

Back

strength of an ionic bond

Front

How many extra electrons are in the Lewis Structure of the phosphate ion, PO₄^3-?

Back

3