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Atoms & Matter
Atoms & Matter
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a review of atoms#, matter# and the periodic table
Flashcards
69 cards
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Practice quiz
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Questions
69
Answers
1
When a substance combines with another to form a new substance.
physical change
chemical property
chemical change
physical property
2
The building block of matter.
matter
mixture
compound
atom
3
What speeds up rate of reaction?
temperature
concentration
surface area
color change
4
A set of chemical symbols showing the elements present in the compound.
mass number
subscript
chemical formula
coefficient
5
Who plays Thor in the Avengers?
Chris Evans
Chris Pine
Tom Hiddleston
Chris Hemsworth
6
Who was the Greek who first came up with the idea of the atom?
Socrates
Democritus
John Dalton
Benjamin Franklin
7
What is this a picture of?
chemical formula
compound
molecule
atom
8
When a reaction gives off heat.
exothermic
ouch!
endothermic
reactant
9
How many electrons fit on the first electron level?
18
8
as many as you want
2
10
The number of atoms in a molecule.
coefficient
subscript
mass number
atomic number
11
What are the red dots in this picture?
nucleus
neutrons
electrons
protons
12
when we compare the size of one thing to the size of another thing.
scale
model
proportion
bigness
13
The number of protons in the nucleus of the atom.
subscript
atomic number
chemical formula
mass number
14
A process that involves the rearrangement of the molecules or atoms.
product
mutation
chemical reaction
reactant
15
What is this an example of?
opera singing
physical change
chemical change
physical property
16
Who discovered that electrons are arranged in concentric rings?
Ernest Rutherford
George Washington
Niels Bohr
Democritus
17
Chemical Reaction
The total number of protons and neutrons in a nucleus.
When a substance changes state.
A substance made as the result of a chemical change.
A process that involves the rearrangement of the atoms.
18
Any change in matter that involves the substance going from one physical state to another.
chemical property
physical change
physical property
chemical change
19
Example of a physical property.
flammability
color
burning paper
ripping paper
20
Which came first the dinosaurs or the Rocky Mountains?
dinosaurs
I don't know
Rockies
neither
21
What is this a picture of?
Chemical Formula
Coefficient
Subscript
Atom
22
Who came up with the electron cloud model?
Democritus
Ernest Rutherford
Erwin Shrodinger
John Dalton
23
Which is not part of the atom
Neutron
Electron
Megatron
Proton
24
What do you call the 2 in this picture?
subscript
coefficient
element
chemical formula
25
Evidence of a chemical change.
smoke or fire
size change
shape change
bubble or fizzing
26
How many people die of lightning strikes in a year?
10
75
600
1000
27
Salt & Pepper mixed together are an example of what?
chemical property
chemical change
physical change
physical property
28
What is this a picture of?
Molecule
Mixture
Atom
Compound
29
A property that is measurable.
Chemical Property
Physical Property
Flammability
Observable
30
How fast a reaction takes place.
surface area
rate of reaction
concentration
temperature
31
Refers to the relative size of parts of a whole.
proportion
size
atom
scale
32
Which particle is negative?
neutron
electron
gluon
proton
33
An insoluble solid that emerges from a liquid solution.
precipitate
temperature change
chemicals
reactant
34
A combination of two or more pure substances that can be separated by physical methods.
molecule
element
mixture
compound
35
A substance that cannot be broken down into simpler substances by chemical means.
element
compound
atom
mixture
36
What are the blue dots in this picture?
Leptons
Protons
Neutrons
Electrons
37
The total number of protons and neutrons in a nucleus.
atomic number
coefficient
mass number
chemical formula
38
Who discovered the electron?
Democritus
Erwin Schrodinger
J J Thomson
Niels Bohr
39
What is the atomic number of this element?
18
I don't know!
12
6
40
A substance that changes in a chemical reaction.
reactant
diamonds
what???
product
41
Something that is composed of two or more separate elements.
element
mixture
compound
molecule
42
How many electrons can fit on the second electron level?
13
16
8
2
43
What is this a picture of?
compound
element
molecule
mixture
44
When a reaction absorbs heat.
antarctic
icelandic
exothermic
endothermic
45
What is this an example of?
endothermic
exothermic
chemical change
physical change
46
The number of molecules involved in a reaction.
mass number
coefficient
superscript
subscript
47
A characteristic of a substance that is observed during a reaction.
Physical Change
Chemical Property
Physical Property
Chemical Change
48
How many neutrons does iron have?
26
30
55
31
49
What is a fire an example of?
endothermic
exothermic
chemical property
physical property
50
Smell is an example of what?
Physical Property
Physical Change
Chemical Change
Chemical Property
51
Example of a chemical property.
Shape
Ability to rust
Melting
Flammability
52
Which class are you in right now?
science
history
naptime
math
53
Who developed the atomic theory?
J J Thomson
John Dalton
Ernest Rutherford
Abraham Lincoln
54
Who discovered the nucleus?
Niels Bohr
Mr. Hepworth
Ernest Rutherford
John Dalton
55
What do you call the positive particle in an atom?
neutron
proton
electron
quark
56
Which particle is found in the nucleus?
neutron
quark
proton
electron
57
What is this a picture of?
The periodic table
compounds
Dmitri Mendeleev
molecules
58
Cooking an egg is an example of what?
chemical change
I don't know
chemical reaction
physical change
59
What movie is this from?
The Lego Movie
Lego Bat Man
Lego Ninjago
Lego Scooby Doo
60
Any substance that has mass and takes up space.
compound
atom
molecule
matter
61
What is this a picture of?
circles
mixtures
water molecules
atoms
62
What was the name of the man who invented the periodic table?
Erwin Schrodinger
Dmitri Mendeleev
John Dalton
Jason Bourne
63
Which of these movies made the most money in 2015?
Furious 7
Jurassic World
The Avengers: Age of Ultron
Star Wars: The Force Awakens
64
How many texts does the average teenager send in 1 month?
4050
6023
2539
3339
65
Freezing is an example of what?
chemical change
chemical property
physical change
physical property
66
Flammability is an example of what?
Chemical Change
Chemical Property
Physical Change
Physical Property
67
What did this man invent?
The Nucleus
The Atom
The Gold Rush
The Periodic Table
68
What is this a picture of?
proportion
matter
elements
scale
69
The substance formed during a chemical reaction.
carbon dioxide
product
oxygen
reactant
