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Chemistry Final Review Flashcards | StudBud
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Chemistry Final Review
Chemistry Final Review
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Questions
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Answers
1
The most harmful type of radiation is
beta
alpha
gamma
2
Noble Gases have a ___ valence shell with ___ electrons.
Half, 6
Full, 8
3
A rotting banana is an example of a
chemical change
physical change
4
Melting metal is an example of a
physical change
chemical change
5
On the pH scale, sour fruits are
base
acid
6
Matter cannot be created or destroyed, only rearranged.
False
True
7
Charles's Law states that "increasing the temperature of a gas _______ its volume."
decreases
doesn't change
increases
8
On the pH scale, household cleaners are
Acid
Base
9
A water molecule is held together with _______bonds.
Covalent
Ionic
10
Broken glass is an example of a
chemical change
physical change
11
Gay-Lussac's Gas Law states that "increasing the temperature of a gas _____ its pressure."
increases
doesn't change
decreases
12
This Bohr diagram represents the element
Lithium
Sodium
13
Ionic compounds like table salt are
solid crystals
oily liquids
14
A water molecule has __ Hydrogen atoms and __ Oxygen atoms.
2, 1
1, 2
15
The elements that connect in a covalent bond are
metals
nonmetals
16
To melt ice to liquid water, _____ energy in the form of heat.
take away
add
17
A phone or computer battery works off of __________ energy.
electro-chemical
thermal
18
Ionic compounds like table salt have
low melting points
high melting points
19
The least harmful type of radiation is __________
Beta
Gamma
Alpha
20
Balancing Equations is necessary to follow the
Ohm's Law
Law of Gravity
Law of Conservation of Mass
21
The chemical formula for water is
H2O
2HO
22
What Family group of elements do the Halogens form ionic compounds with?
Noble Gases
Alkali Metals
23
What are the coefficients to balance this equation? _H
2
+ _O
2
-> _H
2
O
1, 1, 1
2, 1, 2
1, 2, 1
24
Boyle's Law states that "increasing the pressure of a gas _____ its volume."
decreases
increases
doesn't change
25
A rusted gate is an example of a
physical change
chemical change
26
The Kinetic Theory of Matter states that matter is always in motion
False
True
27
An electric blanket produces __________ energy.
chemical
thermal
28
The metals on the Periodic Table are mostly located on the
right side
left side
29
Lithium has an Atomic Number of ___ and has ___ valence electrons.
3, 1
3, 3
30
What type of reaction is this? CH
4
+ 2 O
2
-> CO
2
+ 2 H
2
O
Decomposition
Single displacement
Double displacement
Combustion
31
Because Noble Gases have a full shell, they ____ need to lose or gain electrons.
do
do not
32
Which type of reaction is this equation? Fe + CuSO
4
-> Cu + FeSO
4
Decomposition
Combustion
Single displacement
Double displacement
33
In a chemical change
No new substances are formed
New substances are formed
Matter is created and destroyed
34
The nonmetals on the Periodic Table are mostly located on the
right side
left side