Elements and Compounds
Practice Questions
High School Chemistry › Elements and Compounds
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1
Which answer choice shows the correct chemical formula for barium sulfate?
2
Which answer choice shows the correct chemical formula for barium sulfate?
3
How many lone pairs of electrons exist on the following molecule?
BF3
4
How many lone pairs of electrons exist on the following molecule?
BF3
5
Which answer choice shows the correct chemical formula for barium sulfate?
6
How many lone pairs of electrons exist on the following molecule?
BF3
7
Choose the correct chemical formula for sodium sulfate.
8
Which of the following chemical compounds is written incorrectly?
9
What is the molecular geometry of an ammonia molecule with the formula 
10
Choose the answer with the correct electron configuration for a sodium atom.
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