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- 1. Multiple Choice
The number of neutrons in a nitrogen atom.
7
14
15
8
- 2. Multiple Choice
Nitrogen has an oxidation state of +4 in the compound:
Nitrogen
Nitrogen (II) oxide
Nitrogen (IV) oxide
Nitric acid
- 3. Multiple Choice
What is the type of chemical bond in a nitrogen molecule?
Ionic bond
Polar covalent bond
Nonpolar covalent bond
Metallic bond
- 4. Multiple Choice
Specify the type of chemical reaction: 4NH3 + 3O2 = 2N2 + 6Н2О
Irreversible reaction
Heterogeneous reaction
Oxidation
Exchange reaction
- 5. Multiple Choice
What does it mean the word nitrogen in Greek?
Life-affirming
Dead
The formation of nitrate
A mythical air
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