Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Chemical Equations And Reactions
Test Description: Do you know the parts of a chemical equation? Can you determine if it is balanced or not? Have fun reviewing!
Instructions: Answer all questions to get your test result.
1) The substances that chemically combine to form a new substance. They are found before the yeild sign.
A
reactants
B
products
C
chemical equation
D
law of conservation of mass
2) The substances that are formed as a result of a chemical reaction.
A
chemical equation
B
reactants
C
law of conservation of mass
D
products
3) How many total oxygen atoms are found in this chemical formula? 5CO
A
1
B
2
C
6
D
5
4) How many elements are there in the following "make believe" compound? NaBrFeKSNO
A
6
B
10
C
5
D
7
5) The mass of reactants equals 56.33g. A student performs a chemical reaction in a closed container. The student expects the mass to
A
decrease
B
increase then decrease
C
remain the same
D
increase
6) Another way of describing the Law of the Conservation of Mass is understanding that in a chemical equation it must
A
have more product atoms than reactant atoms
B
have more reactant atoms than product atoms
C
have different kinds of elements formed
D
have the same kinds and count of atoms on both sides
7) How many molecules are in 20NaCl?
A
1
B
20
C
2
D
21
8) The subscript in a chemical formula indicates the
A
reactivity index
B
number of molecules
C
number of atoms in a molecule
D
number of elements
9) The coefficient indicates the number of
A
atoms
B
valence electrons
C
molecules
D
elements
10) This subatomic particle is responsible for the reactivity of an element.
A
valence electron
B
gluon
C
proton
D
neutron
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?