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CP Chem Unit 1 Flashcards | StudBud
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CP Chem Unit 1
CP Chem Unit 1
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CP Chemistry Unit 1 Review
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
Scientist: Solar system model. Electrons orbit nucleus
Dalton
Chadwick
Rutherford
Bohr
2
Which of the following is NOT evidence of a chemical reaction?
color change
boiling
formation of a gas
production of a gas
3
Which of the following is a property of a non metal?
brittle
flexible
shiny
conducts heat and electricity
4
The amount of "stuff" in an object
chemistry
matter
volume
mass
5
Scientist: solid sphere model. Atoms are indivisible.
Dalton
Thompson
Chadwick
Rutherford
6
Scientist: nuclear model. "Gold foil" experiment.
Dalton
Rutherford
Thompson
Chadwich
7
What is the name for Group 1 on the periodic table?
alkaline earth metals
noble gases
halogens
alkali metals
8
Nitrogen (neutral) has an atomic number of 7 and a mass number of 14. How many electrons does it have?
21
7
14
9
Anything that has mass and volume.
matter
volume
chemistry
mass
10
An example of an extensive property is
volume
color
boiling point
density
11
which of the following is a physical change?
decaying
Exploding
melting
burning
12
A scientific theory is
A description of a phenomena
A testable answer to a question.
a tangible representation of an invisible process
Explanation for an observation supported by evidence.
13
A unique substance that cannot be broken down into simpler substances is ______
compound
element
atom
molecule
14
Isotopes are different versions of an element that have different #s of
electrons
neutrons
atoms
protons
15
What is the name for Group 2 on the periodic table?
halogens
alkali metals
alkaline earth metals
noble gases
16
Scientist: used cathode ray tube. Discovered electron. plum pudding model.
Rutherford
Dalton
Chadwich
Thomson
17
What is the name for Group 18 on the periodic table?
halogens
alkaline earth metals
alkali metals
noble gases
18
Person: The first to THINK about atoms
Dalton
Democritus
Thompson
Rutherford
19
the outermost electrons are found in the
nucleus
core shell
valence shell
atom
20
An example of an intensive property is:
weight
density
mass
volume
21
What is the name for Group 17 on the periodic table?
alkali metals
alkaline earth metals
halogens
noble gases
22
Nitrogen (neutral) has an atomic number of 7 and a mass number of 14. How many protons does it have?
7
21
14
23
The atomic number represents the number of
electrons
mass
neutrons
protons
24
Atomic mass is the number of
protons
protons + electrons
neutrons
protons + neutrons
25
Which of the following is a chemical change?
evaporation
rusting
Boiling
Melting
26
Nitrogen (neutral) has an atomic number of 7 and a mass number of 14. How many neutrons does it have?
14
7
21
27
Which of the following is a property of a metal?
dull
brittle
gas at room temp
conducts heat and electricity
28
A pure substane that is a chemical combination of two or more elements is a ______
atom
molecule
element
compound
29
The amount of space something takes up.
matter
chemistry
volume
mass
30
____ is the study of matter and the changes it undergoes
matter
mass
chemistry
weight
