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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
Protons
B
neutrons
C
electrons
2) Neutrally charged particles found in the nucleus of an atom are ...
A
Protons
B
neutrons
C
electrons
3) Negatively charged particles of an atom found outside the nucleus are...
A
protons
B
neutrons
C
electrons
4) Number of electrons that can fit in the first energy level (circle or ring) of an atom.
A
1
B
2
C
5
D
8
5) Number of electrons that can fit in the second energy level (circle or ring) of an atom.
A
10
B
2
C
8
D
18
6) Number of electrons that can fit in the third energy level (circle or ring) of an atom.
A
8
B
18
C
10
D
2
7) Parts found in the nucleus of an atom
A
protons and neutrons
B
neutrons and electrons
C
Protons and electrons
8) APE means that the following three numbers match for an atom:
A
mass, atomic number, neutrons
B
neutrons, protons, electrons
C
Atomic number, protons, electrons
D
atomic number, protons, neutrons
9) To find mass I must:
A
subtract protons from neutrons
B
add protons plus electrons
C
add protons and neutrons
D
It's the same as atomic number
10) To find neutrons, I must:
A
add mass and atomic number
B
add protons and electrons
C
It's the same as the number of electrons
D
subtract mass-protons
11) If an atom has a mass of 10 and 5 protons, how many neutrons does it have?
A
15
B
10
C
5
D
12
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
49
D
100
*select an answer for all questions
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