Easy MCQ

The formula for the compound formed by calcium and nitrogen is:

1) Ca₃N₂

2) Ca₂N₃

Which molecule is linear?

1) SO₂

2) Cl₂O

Which molecule is polar?

1) BF₃

2) CO₂

Which compound contains both ionic and covalent bonds?

1) NaNO₃

2) H₂CO

Which tells us more about the shape of a molecule?

1) Lewis structures

2) Valence shell electron pair repulsion theory

What is an example of an allotrope?

1) Graphite

2) Carbon dioxide

What does the lewis dot structure show us?

1) Valence electrons

2) Principal energy level

Which state are most ionic compounds normally in?

1) Liquid

2) Solid

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