Counting Atoms

Front

How many Oxygen atoms are in H₂O?

Back

1

Front

A subscript is the small number below a(n) ________ that tells the number of _______ of that element.

Back

element symbol; atoms

Front

What is the number of Nitrogen atoms in (NH₄)₂CrO₄?

Back

2

Front

How many atoms are there TOTAL in H₂SO₄?

Back

7

Front

In the reaction 2H₂ + O₂ ----> ? What is the product?

Back

2H₂O

Front

What does a subscript in a chemical formula indicate?

Back

The number of atoms of the element in the molecule.

Front

What is the total number of atoms in the compound C₆H₁₂O₆?

Back

24

Front

How many Hydrogen atoms are in the compound H₂SO₄?

Back

2

Front

What is the formula for calculating the total number of atoms in a compound?

Back

Add the subscripts of all elements.

Front

What does the coefficient in a chemical equation represent?

Back

The number of molecules or moles of a substance.