Calcium is element number 20 on the Periodic Table. As an ion it has a +2 charge. How many electrons does a calcium ion have?A20B4C22D18
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Solution 1
Calcium, as an element, has 20 electrons. However, when it becomes an ion with a +2 charge, it means it has lost 2 electrons. Therefore, a calcium ion has 18 electrons. So, the correct answer is D18. Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem. Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study p
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