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A coefficient in the front of a the formula means you have ____ this number.
multiply.
If there is no subscript to the right of the element, then there is ____ atom/atoms?
1
The number to the left of each element is called the
coefficient
The small number to the right of each element is called the
subscript
Name the elements FeO
Iron & Oxygen
Name the elements HCl
Hydrogen & Chlorine
Name the elements COâ‚„
Carbon & Oxygen
Total # of Oxygen atoms? 4NaOâ‚„Hâ‚„
16
Total # of Nitrogen atoms? 4NH₄N₂O
12
Total # of Hydrogen atoms? C₂H₅OH
6
Total # of atoms? C₂H₅OH
9
Total # of atoms? 3HCl
6
Total # of atoms? 3Li₃SO₃
21
Total # of atoms? 10AlClâ‚„
50
Total # of atoms? Na₂CO₃
6
Total # of atoms? 2KCl
4
Total # of atoms? 8CO
16
Total # of atoms? 6NH₃
24
Total # of atoms?  2H₂O
6
Total # of atoms? NaCl
2
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