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Chemical Reactions And Physical Changes
Test Description: Play these games as a review for the upcoming vocab quiz and unit test.
Instructions: Answer all questions to get your test result.
1) Attractive force between atoms:
A
chemical bond
B
atomic number
C
reactant
D
product
2) Material created when metal and nonmetal share electrons:
A
product
B
reactant
C
covalent compound
D
ionic compound
3) The atomic core:
A
nucleus
B
ion
C
electron
D
reactant
4) Particle having a positive or negative charge:
A
electron
B
ion
C
neutron
D
proton
5) Change of a substance's chemical composition:
A
Chemical Reaction
B
Mass Number
C
Chemical Equation
D
Physical Change
6) Sharing of electrons among atoms (two nonmetals):
A
covalent bond
B
mass number
C
ionic bond
D
chemical equation
7) Variable, uncharged subatomic particle:
A
ion
B
neutron
C
electron
D
proton
8) This identifies the element; equals the number of protons in its atoms:
A
physical change
B
atomic number
C
pure substance
D
mass number
9) Alteration that affects visible qualities, but not chemical composition:
A
Physical Change
B
Ionic Compound
C
Chemical Reaction
D
Covalent Compound
10) Element or compound that results from a chemical reaction:
A
proton
B
product
C
reactant
D
electron
11) Subatomic particle responsible for initiating chemical reactions:
A
filament
B
neutron
C
electron
D
proton
12) Symbolic expression of a reaction between elements or compounds:
A
chemical bond
B
formula
C
symbol
D
chemical equation
13) Material created when nonmetals share electrons:
A
atomic number
B
covalent compound
C
ionic compound
D
mass number
14) Attraction that results from electron transfer between atoms (metal and nonmetal):
A
strong bond
B
ionic bond
C
covalent bond
D
weak bond
15) Arrangement of elements by atomic number and properties:
A
kitchen table
B
periodic table
C
mass number
D
atomic number
16) Total protons and neutrons in a particular atom's nucleus:
A
mass number
B
negative number
C
atomic number
D
prime number
17) Positively charge particle that gives an atom its identity:
A
proton
B
electron
C
ion
D
neutron
18) Element or compound that interacts to cause a chemical change:
A
proton
B
neutron
C
reactant
D
product
19) Classification of matter includes:
A
elements and compounds
B
heterogeneous and homogeneous
C
chemical and physical
D
pure substances and mixtures
20) What does the compound NaCl represent?
A
caffeine
B
table salt
C
table sugar
D
aspartame
*select an answer for all questions
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