Ionic and Metallic Bonding

To find the number of valence electrons in an atom of a representative element, check the

• group number

• period number

• atomic number

• magic number

Find the acetate

• ClO -

• CO3 2-

• HCO3 -

• C2H3O2 -

Pick the hypochlorite ion

• phosphate

• S 2-

• fluoride

• ClO-

• Cl-

find the hydrogen carbonate

• iodide

• HCO3 -

• O 2-

• CO3 2-

• chloride

NO3 -

• nitride

• sulfate

• bromide

• hydroxide

• nitrate

Find the phosphate

• P 3-

• PO4 3-

• PO2 3-

• PCl5

Pick the correct ion for oxide

• O^-

• O⁺

• O^3-

• O^2-

Pick the correct ion for barium

• Ba²⁺

• Ba⁺

• Ba^-

• Ba^2-

The gain of negatively charged electrons by a neutral atom produces

• an anion

• a cation

• a radical

• electricity

Loss of valence electrons results in the formation of

• a chemical bond

• a radical

• an anion

• a cation