sing your knowledge of chemical formulas, count the atoms of each element in HgO
Hg (Mercury)
O (Oxygen)
Question 2
/ 2 pts
Using your knowledge of chemical formulas, count the atoms of each element in Na2O2
Na (Sodium)
2
O (Oxygen)
2
Answer 1:
2
Answer 2:
2
IncorrectQuestion 3
0 / 3 pts
Using your knowledge of chemical formulas, count the atoms of each element in Al2(SO4)3
Al (Aluminum)
S (Sulfur)
O (Oxygen)
PartialQuestion 4
2 / 3 pts
Using your knowledge of chemical formulas, count the atoms of each element in Ca(OH)2
Ca (Calcium)
2
O (Oxygen)
2
H (Hydrogen)
2
Question 5
SELECT ALL THAT APPLY!!
What are the reactants in the following chemical equation?
NaClO3 --> NaCl + O2
NaClO3
NaCl
O2
IncorrectQuestion 6
0 / 1 pts
SELECT ALL THAT APPLY!! What are the products in the following chemical equation?
AgNO3 + K3PO4 -->Ag3PO4 +KNO3
AgNO3
Ag3PO4
KNO3
K3PO4
IncorrectQuestion 7
/ 1 pts
According to the Law of Conservation of Matter (also sometimes called the Law of Conservation of Mass), if there are 3 atoms of Oxygen on the REACTANTS side of a chemical equation, how many atoms of Oxygen must there be on the PRODUCTS side of the equation?
