1. Fill in the following as to molecular or ionic compounds. Compound is a metal

Question

1. Fill in the following as to molecular or ionic compounds.

Compound is a metal and a nonmetal:

Compound is composed of ions:

Compound is composed of nonmetals:

Bonding is a transfer of electrons:

Bonding is a sharing of electrons:

2. Name and write the formulas for the seven important diatomic molecules.

3. Explain the difference between the hydrogen ion, hydride ion, hydroxide ion, and hydrate.

4. Explain the difference between an atom of nitrogen (atomic nitrogen), nitride ion, nitrogen gas (molecular nitrogen), nitrite ion, and nitrate ion.

Explanation / Answer

1)

Compound is a metal and a nonmetal: ionic

Compound is composed of ions: ionic

Compound is composed of nonmetals: molecular

Bonding is a transfer of electrons: ionic

Bonding is a sharing of electrons: molecular

2) Hydrogen gas --> H2  ; Oxygen gas --> O2 ; Nitrogen gas --> N2 ; Chlorine --> Cl2 ; Bromine --> Br2 ; iodine --> I2  ; carbon monoxide --> CO

3) hydrogen ion is H+ ion ; hydride ion is H- ion ; hydroxide ion is OH- ion and hydrate is H2O

4) atomic nitrogen is represented as N ; nitrogen gas as N2 ; nitrate ion as NO3- ; nitrite ion as NO2-  and nitride ion as N3-

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