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Which atom has 20protons and 18 electrons?!​

2 Answers

7 votes
It should be calcium atom, or Ca^2+
User Stiffo
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3 votes

Step-by-step explanation:

The atomic number 20 Is the element calcium (Ca). The electron deficit of 2 indicates that it has a positive charge.

Hope this helps

Which atom has 20protons and 18 electrons?!​-example-1
User Nico Haase
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4.9k points