science chemical equations quiz

Question 1

what do the subscripts repersent in a chamical equation

Answer 1

atoms in a molacule

Question 2

the large number before a molacule in a balenced equation is called

Answer 2

coiefficent

Question 3

what are the new substance called created following the chemical equation

Answer 3

product

Question 4

what does the arrow in a chemcial reaction repersent

Answer 4

yields a new substance formed

Question 5

what are the elements or compounds which are present prior to a chemical reaction called

Answer 5

reactents

Question 6

how many atoms of Zn are present

Zn + CuSO —> ZnSO(4) + Cu

Answer 6

2

Question 7

balenced or unbalenced?

Zn + CuSO —> ZnSO(4) + Cu

Answer 7

balenced

Question 8

how many atoms are present in Cu

Zn + CuSO —> ZnSO(4) + Cu

Answer 8

2

Question 9

how many total atoms of ZnSO(4) are present in the reactents?
Zn_ S_ O(4)_

Zn + CuSO —> ZnSO(4) + Cu

Answer 9

Zn-1
S-1
O(4)-4
total in all:6

Question 10

how many atoms in CuSO(4) are present in the reactents
Cu_ S-_ O(4)_

Zn + CuSO —> ZnSO(4) + Cu

Answer 10

Cu-1
S-1
O(4)-4
total in all:6