Chemical Formula Atom Counting

Front

How many elements are present in the compound Mg₂As₃COHNi₂?

Back

6

Front

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

Back

element symbol; atoms

Front

How many elements are in C₆H₁₂O₆?

Back

3

Front

How many Magnesium atoms are in 10MgCl₂?

Back

10

Front

How many Hydrogen atoms are in 4H₂O?

Back

8

Front

What does a subscript in a chemical formula indicate?

Back

The number of atoms of the element in the compound.

Front

In the compound Na₃PO₄, how many sodium (Na) atoms are there?

Back

3

Front

What is the total number of atoms in the compound C₂H₅OH?

Back

9

Front

How many different elements are in the compound Fe₂O₃?

Back

2

Front

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

Back

Add the subscripts of all elements.