How many protons does calcium have?
Understand the Problem
The question is asking for the number of protons in the element calcium, which is a factual piece of information related to chemistry.
Answer
20
The final answer is 20
Answer for screen readers
The final answer is 20
More Information
Calcium has an atomic number of 20, which means it has 20 protons.
Sources
- Periodic Table of Elements - ptable.com
- Calcium - Element Information, Properties and Uses - rsc.org