Subscript in Chemical Formulas

Front

In the chemical formula CaCl₂, how many chlorine atoms are there?

Back

2

Front

In the chemical formula CaC_{2, what is the first subscript?}

Back

0

Front

In the chemical formula C₆H₅OH, what is the third subscript?

Back

0

Front

In the chemical formula CO₂, how many carbon atoms are there?

Back

1

Front

In the chemical formula C₆H₅OH, what is the second subscript?

Back

5

Front

What elements are present in the chemical formula NH₃?

Back

Nitrogen and Hydrogen

Front

What is the second subscript in the chemical formula C₆H₅OH?

Back

5

Front

Name the third subscript in this formula: FeSO₄ 7H₂O

Back

4

Front

What is the name of the first element in this chemical formula: FeCl₂ 4H₂O?

Back

Iron

Front

How many chromium atoms are present in K₂Cr₂O₇?

Back

2