*7.6B

Use the periodic table to identify the atom and the number of each kind within a chemical formula.

Answer questions 1-4 on the example below.

Now try finding the elements, subscripts, coefficients, and atom count in the following chemical formulas.

Check Your Understanding

Differentiate between a coefficient and a subscript.
Describe the steps you need to take to determine the number of and type of elements in the chemical formula 5Co(NO3)2.

Answers: H, B, 2, B, H, D

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