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Chemical Bonding And Reactions
Test Description: Chemical Bonding and Reactions review test.
Instructions: Answer all questions to get your test result.
1) what kind of charges does an ionic bond have
A
two opposite charges
B
two same charges
2) what is a covalent bond
A
a bond sharing atoms
B
a metal bond
C
a bond sharing electrons between atoms
3) what are chemical bonds based on
A
electrons
B
neutrons
C
atoms
4) what will cause new bonds to form or be broken?
A
heat, light, friction
B
water, cold, air
5) what are atoms held together by?
A
neutrons
B
electrons
C
atomic structure
6) What is chemical decomposition?
A
the atom splitting
B
the break down of a chemical compund
C
two electrons splitting
7) Which one represents single replacement?
A
A+BC->AC+B
B
CB+AB+C
C
BC+a->BA+c
8) Which represents double replacement?
A
YX+C+BA
B
AX + BY → BX + AY
C
AB+C+XY
9) what is combustion?
A
when there is fire
B
anytime when anything burns from a chemical reaction
C
when something blows up
10) what is a chemical reaction?
A
a reaction
B
something in science
C
a process that leads to the transformation of one set of chemical substances to another.
*select an answer for all questions
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