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Periodic Table Quiz Flashcards | StudBud
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Periodic Table Quiz
Periodic Table Quiz
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Answers
1
What is the correct Lewis Dot Structure for Neon
A
D
B
C
2
Which of the following discoveries led to the shift from the nuclear model to the planetary model?
electrons have defined orbits
the discovery that atoms are mostly empty space
atoms contain both positive and negative charges
a nucleus contains both positive and neutral particles
3
Which group is made up of non-reactive gases?
Halogens / Group 17
Transition Gases / Group 12
Alkali Metals / Group 1
Noble Gases / Group 18
4
The columns on the periodic table are called:
Periods
Metals
Semimetals
Groups
5
Group 17 elements are called:
Alkaline Earth Metals
Halogens
Noble Gases
Alkali Metals
6
This isotope is called:
Carbon-14
Carbon-12
Carbon-6
Carbon-8
7
The most reactive elements are found in Groups 1 & 17. (seen as the darkest part of the picture)
True
False
8
An isotope is formed when an atom loses or gains:
a proton
a neutron
an electron
9
What is the correct Lewis Dot Structure for Carbon?
A
B
C
D
10
This isotope of Carbon has how many neutrons?
8
14
6
20
11
This atom of Fluorine has:
9 electrons
1 electron
8 electrons
10 electrons
12
An ion is formed when an atom loses or gains:
a proton
a neutron
an electron
13
What is a Valence electron?
the number of protons + the number of electrons
the number of protons
an electron in an atom’s outer shell
the number of protons + the number of netrons
14
J. J. Thompson discovered the:
electron
atom
proton
neutron
15
Which is the best reason that atomic radius generally increases going down a column?
the atoms have different chemical properties
the number of electron orbitals increases
the number of neutrons in the nucleus increases
16
Why is the modern Periodic Table is not perfectly rectangular?
there is a limit to how many electrons can fit in each energy level
undiscovered elements in the first three rows
atoms can’t have more electrons than protons in their nucleus
17
Group 2 elements are also called:
Alkali Metals
Alkaline Earth Metals
Noble Gases
Halogens
18
Which of the following pairs of atoms would have the same number of valence electrons?
Lithium & Magnesium
Sodium & Beryllium
Nitrogen & Phosphorus
19
Elements in Group 4-12 are called
NonMetals
Alkali Earth Metals
Transition Metals
Noble Metals
20
What do the groups on the periodic table represent?
number of valence electrons
number of protons + neutrons
number of protons
number of electron orbits
21
As the number of electron orbitals increases, the atomic radius increases.
False
True
22
An ion is formed when an atom loses or gains an electron
True
False
23
Elements in Group 18 are called:
Noble Gases
Alkali Metals
Halogens
Alkaline Earth Metals
24
Where are the most reactive elements?
In Group 1 & Group 17
In Group 2
In Group 18
In Group 12
25
Which of the following pairs of atoms would have the same number of valence electrons?
Silver (Ag) & Gold (Au)
Magnesium (Mg) & Sodium (Na)
Neon (Ne) & Chlorine (Cl)
26
This atom of Lithium has:
4 neutrons
3 neutrons
7 neutrons
2 neutrons
27
Which is the correct Bohr model for Magnesium (Mg)?
a
c
b
28
An isotope is formed when an atom loses or gains an electron.
False
True
29
The horizontal rows on the periodic table are called:
Nonmetals
Groups
Metals
Periods
30
What is an atomic mass?
the number of protons + neutrons
the number of protons + electrons
the number of protons
the number of electrons in the outer shell
31
What do rows in the Periodic Table show?
number of electron shells
number of valence electrons
number of protons
groups
32
Which is the correct Bohr model for Oxygen?
B
A
D
C
33
Group 1 elements are called:
Alkali Metals
Noble Gases
Alkaline Earth Metals
Halogens
34
What is an atomic number?
the number of protons + electrons
the number of protons + netrons
the number of protons
the number of electrons in the outer shell
