Lesson 2.5 Subatomic Particle Practice Questions
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Assessment
•
Emily Hart
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Chemistry
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10th - 11th Grade
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25 plays
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Medium
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20 questions
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1.
Multiple Choice
What is the total number of electrons in an atom of magnesium?
11
12
24
36
2.
Multiple Choice
Isotopes of an element must have different
atomic numbers
numbers of protons
mass number
numbers of electrons
3.
Multiple Choice
The nucleus of an atom of K-42 contains
19 protons and 23 neutrons
19 protons and 42 neutrons
20 protons and 19 neutrons
23 protons and 19 neutrons
4.
Multiple Choice
What is the total number of neutrons in an atom of
26
57
31
83
5.
Multiple Choice
Atoms of different isotopes of the same element differ in their total number of
Electrons
Protons
Neutrons
Valence Electrons
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