6.17 REVIEW WITH QUIZIZZ QUIZ 6.1 BALANCING CHM EQ 12W S1 23 CHM

How many atoms of aluminum are found in aluminum hydroxide?

• 1 aluminum atom
• 2 aluminum atoms
• 3 aluminum atoms
• 6 aluminum atoms

In the expression below, what do the numbers 4 and 2 represent respectively?

• A coefficient and a subscript
• A subscript and a coefficient
• Two coefficients
• Two subscripts

How many atoms of nitrogen are found in ammonium phosphate?

• 1 nitrogen atom
• 3 nitrogen atoms
• 4 nitrogen atoms
• 12 nitrogen atoms

How many atoms of phosphorus are found in calcium phosphate?

• 1 phosphorus atom
• 2 phosphorus atoms
• 4 phosphorus atoms
• 8 phosphorus atoms

How many atoms of nitrogen are found in the expression below?

• 2 nitrogen atoms
• 6 nitrogen atoms
• 9 nitrogen atoms
• 12 nitrogen atoms

How many atoms of hydrogen are found in ammonium phosphate?

• 3 hydrogen atoms
• 4 hydrogen atoms
• 7 hydrogen atoms
• 12 hydrogen atoms

How many atoms of oxygen are found in calcium phosphate?

• 3 oxygen atoms
• 4 oxygen atoms
• 8 oxygen atoms
• 12 oxygen atoms

Choose the correct coefficients that will balance the chemical equation:

• 1, 2, 3, 1
• 2, 1, 2, 1
• 1, 2, 1, 2
• 2, 1, 1, 1

How many atoms of magnesium are found in the expression below?

• 3 magnesium atoms
• 6 magnesium atoms
• 12 magnesium atoms
• 18 magnesium atoms

Which statement below best describes what happens during a chemical reaction?

• Atoms are destroyed
• Atoms are created
• Atoms are rearranged
• Atoms become different elements