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Chemistry EOG Review
Chemistry EOG Review
30 terms
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Quiz review for the chemical and physical properties of matter.
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
Chemical Change or Physical Change: Melting Ice
Chemical Change
Physical Change
2
Which particle determines what element an atom is?
electron
neutron
atom
proton
3
How many electrons does mercury have?
281
121
201
80
4
Which of the following is a pure substance?
cheeseburgers
salt
fruitpunch
air
5
What is the smallest part of a substance that still has the properties of that substance?
molecule
atom
element
proton
6
How many naturally occurring elements are there?
25
100
no elements occur naturally
92
7
Which particle determines what element an atom is?
proton
neutron
electron
meltron
8
The law of conservation of matter says?
mass of the products is more than the mass of the reactants
matter must be conserved to use for future generations
mater cannot be created or destroyed
matter can be created and destroyed
9
Which of the following is not a pure substance?
water
carbon
milk
nitrogen
10
Most of the atom is?
electron shells
energy
empty space
protons
11
Which of these shows a physical change?
wood burning
cake baking
baking soda&vinegar
melting ice
12
Which best describes elements that are shiny, malleable, ductile and good conductors?
metals
gasses
metelloids
nonmetals
13
Which is indicated if a gas forms when two or more substances are mixed?
physical change
physical property
chemical change
chemical property
14
Which best describes a substance that changes from a liquid to a solid?
physical change
gains volume
chemical change
gains mass
15
Which is a mixture?
kool aid
table salt
gold
water
16
What is fundamental building block of all matter?
solid
chemistry
atom
water
17
Chemical Change or Physical Change: Burning Wood
Chemical Change
Physical Change
18
Which of the following is not a subatomic particle?
meltron
proton
electron
neutron
19
What property of metals is used to make this item?
malleable
ductile
shiny
good conductor
20
What property of metals is used to make this item?
shiny
ductile
malleable
good conductor
21
Which is a physical change?
apple rotting
fire burning
paper shredding
rust forming
22
How many neutrons does mercury have?
201
121
80
281
23
What is anything that has mass and takes up space?
matter
chemistry
atomic number
electron
24
What are the reactants of this reaction?
H2
H2 and O2
H2O
O2
25
How many grams of H are needed to react with 100 grams of N to produce 121 grams of NH
3
?
21g
121g
221g
100g
26
How many protons does mercury have?
121
80
201
281
27
Which is the best example a chemical change has occurred?
release of energy
change of state
formation of new substance
temperature change
28
What are physical combinations of substances that retain their own individual properties?
element
mixture
compound
atom
29
How many atoms of oxygen are in a molecule of glucose C
6
H
12
O
6
?
6
11
24
12
30
The formula for methane is CH4. How many different elements are in this substance?
4
5
2
1
