Chemical Formulas

How many oxygen atoms are in this chemical formula?

• 6 oxygen atoms

• 3 oxygen atoms

• 2 oxygen atoms

• 4 oxygen atoms

Element or compound?

Q2

• element

• compound

How many atoms are in C6H12O6

• 1

• 2

• 3

• 4

Which of the following is a compound?

• co

• c

• o2

• co2

Which of the following is NOT a element?

• H2o

• o2

• H2

• au

how many O,s are in Al2(so4)3

• 4

• 7

• 12

• 24

how many atoms are in H2SO4

• 6

• 7

• 5

• 3

true or false: when balancing chemical equations the subscripts

• true

• false

What is the total of atoms present in 5Na3po4

• 5

• 55

• 40

• 60

in a chemical reaction, everything to the right of the arrow is called

• products

• yields

• reactants

• molecules