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einsteindude einsteindude
wrote...
Posts: 5058
9 years ago
The elements lithium, sodium, and potassium ________.
A) are isotopes of each other
B) are in the same period of elements
C) have the same number of neutrons
D) are in the same group
E) have the same mass number
Textbook 
Conceptual Physical Science

Conceptual Physical Science


Edition: 6th
Authors:
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1 Reply
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f_zah1f_zah1
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9 years ago
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einsteindude Author
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9 years ago
You make an excellent tutor!
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Smart ... Thanks!
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