points
If a formula contains 2 nitrogen atoms and 4 oxygen atoms, what is the correct chemical
formula?
Question options:
N2O4
NO
2N4O
N4O2
O4N2
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points
If you were to count the numbers of each type of atom in the formula Mg3(PO4)2, what would the
answer be?
Question options:
Mg = 3, P = 2, O = 4
Mg = 3, P = 2, O = 8
Mg = 3, P = 1, O = 8
Mg = 3, P = 1, O = 4
none of the above
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points
`When compounds form, which of the following statements is true about the elements that form
them?
Question options:
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