Chemistry Mini Unit Question Preview (ID: 44283)


Atoms Periodic Table Of The Elements Chemical And Physical Change. TEACHERS: click here for quick copy question ID numbers.

The atomic mass (weight) for helium is
a) 2
b) 4
c) 6
d) 8

The number of neutrons in a potassium atom are
a) 19
b) 39
c) 9
d) 20

The number of electrons in an iron atom are
a) 26
b) 56
c) 30
d) 82

Protons have a ______ electrical charge
a) positive
b) negative
c) nuetral
d) no

The number of protons in a Cobalt atom are
a) 59
b) 32
c) 27
d) 91

Potassium has an atomic number of
a) 30
b) 19
c) 58
d) 22

The number of neutrons in a carbon atom are
a) 12
b) 6
c) 18
d) 4

The symbol for sodium is
a) So
b) S
c) Na
d) K

Pick the example of a molecule of a compound
a) CO2
b) C2
c) O2
d) C

The nucleus of an atom is made of
a) neutrons
b) protons and neutrons
c) electrons and protons
d) protons

The symbol for aluminum is
a) A
b) Al
c) Au
d) Am

The number of electrons in a Neon atom are
a) 10
b) 20
c) 30
d) 40

Neutrons have a ______ electrical charge
a) positive
b) electrical
c) neutral
d) negative

The atomic number for nitrogen is
a) 14
b) 7
c) 28
d) 20

Electrons have a ______ electrical charge
a) positive
b) electrical
c) neutral
d) negative

The number of protons in a Calcium atom are
a) 6
b) 40
c) 20
d) 27

The subatomic particles of an atom are
a) electrons, protons, neutral
b) protons, positive, neutrons
c) protons, neutrons, electrons
d) electrons, negative, protons, positive

The atomic mass (weight) for Hydrogen is
a) 0
b) 1
c) 2
d) 3

The symbol for iron is
a) I
b) Ir
c) Fe
d) Ag

Oxygen has an atomic number of
a) 8
b) 10
c) 16
d) 6

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