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Atoms Test Practice
Test Description: Identify parts of an atom
Instructions: Answer all questions to get your test result.
1) Positively charged particles in the nucleus of the atom are:
A
neutrons
B
electrons
C
Protons
2) Neutrally charged particles found in the nucleus of an atom are ...
A
electrons
B
neutrons
C
Protons
3) Negatively charged particles of an atom found outside the nucleus are...
A
neutrons
B
protons
C
electrons
4) Number of electrons that can fit in the first energy level (circle or ring) of an atom.
A
5
B
1
C
8
D
2
5) Number of electrons that can fit in the second energy level (circle or ring) of an atom.
A
18
B
2
C
10
D
8
6) Number of electrons that can fit in the third energy level (circle or ring) of an atom.
A
18
B
2
C
8
D
10
7) Parts found in the nucleus of an atom
A
Protons and electrons
B
protons and neutrons
C
neutrons and electrons
8) APE means that the following three numbers match for an atom:
A
Atomic number, protons, electrons
B
mass, atomic number, neutrons
C
atomic number, protons, neutrons
D
neutrons, protons, electrons
9) To find mass I must:
A
It's the same as atomic number
B
subtract protons from neutrons
C
add protons plus electrons
D
add protons and neutrons
10) To find neutrons, I must:
A
add mass and atomic number
B
add protons and electrons
C
subtract mass-protons
D
It's the same as the number of electrons
11) If an atom has a mass of 10 and 5 protons, how many neutrons does it have?
A
10
B
5
C
12
D
15
12) If and atom has an atomic number of 94, how many protons does it have?
A
Not enough information to answer the question
B
94
C
100
D
49
*select an answer for all questions
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