Download Extra Extra Periodic Table Practice with attached answer key

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l.
l)
atomic number
2)
atomic mass
3)
the number of neutrons, only
4)
the number ofneutrons and protons
5.
6.
horizontal rows on the periodic table are
called?
The vertical columns of the periodic Table are called
1)
groups
2)
periods
3)
spectra
4)
energy levels
1)
hydrogen
groups
2)
oxygen
2)
periods
3)
chlorine
3)
families
4)
neon
4)
sections
3. Who was the first to notice that properties of elements exist
as a periodic function of their atomic mass?
1)
Mendeleev
2)
Dalton
3)
Democritus
4)
Boyle
Which elements belong in the same family or group?
l)
sodium and potassium
2)
sodium and magnesium
3)
potassium and calcium
4)
lithium and beryllium
8.
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Bromine has chemical properties most similar to
l)
7.
4.
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What determines the order of placement of the elements on
the modern Periodic Table?
2. What are the
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An example of
1)
hydrogen
2)
helium
3)
oxygen
4)
fluorine
a
noble gas is
Which of these phrases best describes an atom?
l)
a
positive nucleus surrounded by a hard negative shell
2)
a
positive nucleus surrounded by a cloud ofnegative
charges
3)
4)
a hard sphere with positive parlicles uniformly
embedded
a hard sphere with negative particles uniformly
embedded
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9.
Rutherford observed that most of the alpha particles
directed at a thin metal foil passed through without
deflection. Based on this observation, he concluded that the
12. Compared to the whole atom, the nucleus of the
atom
l)
smaller and contains most of the atom,s mass
l)
atom is very dense
2)
smaller and contains Iittle of the atom,s mass
2)
atom is mostly empty space
3)
larger and contains most of the atom,s mass
3)
nucleus is positively charged
4)
larger and contains little of the atom's mass
4)
nucleus is stationary
i.,;
13. Which statement is true about the charges assigned toqrt
electron and a proton?
10. The energy Ievels around the nucleus ofan atom contain
I
l.
l)
protons
2)
neutrons
3)
electrons
4)
ions
atom
2)
proton
3)
neutron
4)
electron
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Both an electron and a proton are positive.
2)
An electron is positive and a proton is negative.
i)
An electron is negative and a proton is positive.
4)
Both an electron and a proton are negative.
14. Which subatomic particle has no
Which particle includes the other three?
l)
l)
alpha particle
2)
proton
3)
neutron
4)
electron
What is the total number of protons in the nucleus of
atom of potassium-42?
l)
15
2)
t9
3)
39
4)
42
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Answer Key
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