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A single atom of an element has 21 neutrons, 20 electrons, and 20 protons. Which element is it? OK O Z
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4 votes
A single atom of an element has 21 neutrons, 20 electrons, and 20 protons. Which element is it?

OK
O Z

User Abhishek Ghimire
by
7.2k points

1 Answer

2 votes

Answer:

ca

Step-by-step explanation:

User Sinhix
by
6.7k points
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