How many TOTAL atoms are in this formula?

HNO₃

(a)  

How many Oxygen atoms are in this formula?

Mg(OH)₂

(a)  

How many Hydrogen atoms are in this formiula?

Mg(OH)₂

(a)  

How many Magnesium atoms are in this formiula?

MgCl₂

(a)  

How many Magnesium atoms are in this formiula?

MgCl₂

(a)  

How many Carbon atoms are in this formiula?

K₂CO₃

(a)  

How many Phosphorus atoms are in this formiula?

Sr₃(PO₄)₂

(a)  

How many Oxygen atoms are in this formiula?

Sr₃(PO₄)₂

(a)  

How many Manganeese atoms are in this formiula?

Ba(MnO₄)₂

(a)  

How many Oxygen atoms are in this formiula?

Ba(MnO₄)₂

(a)  

How many TOTAL atoms are in this formiula?

H₂SO₄

(a)  

How many Aluminum atoms are in this formiula?

Al₂(CO₃)₃

(a)  

How many Carbon atoms are in this formiula?

Al₂(CO₃)₃

(a)  

How many Oxygen atoms are in this formiula?

Al₂(CO₃)₃

(a)