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