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Science

Atomic structure and bonding

Covalent bonding - Test

1.

What does a covalent bond involve?

2.

Where do the electrons in a covalent bond come from?

3.

Nitrogen is in group 5. How many covalent bonds can it form?

4.

The formula of sulfur dioxide is SO2. If an oxygen atom forms two covalent bonds, how many covalent bonds does sulfur form in sulfur dioxide?