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Electrons Quiz-Review
Test Description: Review for quiz
Instructions: Answer all questions to get your test result.
1) What particle is small and negatively charged?
A
Electron
B
Neutron
C
Proton
D
Alpha particle
2) How many electrons does Li+1 have?
A
3 electrons
B
4 electrons
C
2 electrons
D
1 electron
3) What is the atomic number for iron?
A
15
B
32
C
26
D
7
4) What is the correct electron configuration for boron?
A
2-3
B
2-8-3
C
2-4
D
2-6-4
5) What is the principle energy level with the least amount of energy?
A
n=7
B
n=1
C
n=3
D
n=5
6) What is the principle energy level with the most energy?
A
n=5
B
n=3
C
n=7
D
n=1
7) What is the maximum number of electrons that can occupy the 4th shell?
A
2
B
32
C
8
D
18
8) How do you find the number of energy levels for an atom?
A
the group number
B
the atomic number
C
the mass number
D
the period number
9) What happens to energy when electron fall from the excited state to the ground state?
A
they release energy
B
nothing
C
they absorb energy
D
they release and absorb energy
10) What is the electron configuration of Ca in the excited state?
A
2-7-9-2
B
2-6-8-4
C
2-8-7-3
D
2-8-8-2
11) What is a valence electron?
A
An electron in the outermost energy level
B
An electron in the nucleus
C
An electron in the n=4 energy level
D
An electron in the n=1 energy level
12) What is produced when electrons fall from the excited state to the ground state
A
Gamma particles
B
Fire
C
Spectral lines
D
Lewis Dot Structure
*select an answer for all questions
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