Counting Atoms

Front

How many Hydrogen atoms are in 4H₂O?

Back

8

Front

How many Magnesium atoms are in 10MgCl₂?

Back

10

Front

How many elements are in C₆H₁₂O₆?

Back

3

Front

What is C₂H₈O?

Back

Compound

Front

How many Hydrogen atoms in 3(NH₄)₂CrO₄?

Back

24

Front

A subscript is the small number below the element symbol that tells the number of _______ of that element.

Back

atoms

Front

How many Nitrogen atoms are in the in H₂C₃O₄N₅?

Back

5

Front

How many elements are present in this compound? (Careful!)

Mg₂As₃COHNi₂

Back

6

Front

How many atoms are present if there is no subscript following the element symbol?

Back

only 1

Front

Are there any compounds on the periodic table?

Back

No, because only elements are on the periodic table.