Chemical Formulas

How many Hydrogen are in 4H₂O?

• 6
• 8
• 2
• 4

How many Oxygen are in H₂O?

• 1
• 2
• 0
• 4

How many Magnesium are in 10MgCl₂?

• 10
• 5
• 20

2H₂ + O₂ ----> 2H₂O What is the product?

• ------>
• 2H₂O
• 2H₂+ O₂

2H₂ + O₂ --------> 2H₂O What  are the reactants?

• ----->
• 2H₂O
• 2H₂ +O₂

2H₂ + O₂ ----> 2H₂O What is the product?

• ------>
• 2H₂O
• 2H₂+ O₂

How many O's are in Al₂(SO₄)₃

• 4
• 12
• 7
• 24

How many elements are in C₆H₁₂O₆?

• 1
• 2
• 3
• 4

How many Sodium (Na) are in 6NaCl?

• 1
• 12
• 6

In a chemical reaction, the number of atoms in the products will always equal which amount?

• the number of atoms in the reactants

• half of the number of atoms in the reactants

• twice the number of the atoms in the reactants

• thrice the number of the atoms in the reactants