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Cumulative Exam - Question 22 | TX-Chemistry A-CR | Revolt
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TX-Chemistry A-CR
Cumulative Exam
Question 22
22
Quiz
Multiple Choice
Cumulative Exam
Question 22 of 50 • TX-Chemistry A-CR
A single atom of an element has 21 neutrons, 20 electrons, and 20 protons. Which element is it?
Answer
A
K
B
Zr
C
Ca
D
Sc
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