8 how many protons are in calcium? 2 19 20 40
8 how many protons are in calcium? 2 19 20 40
Answer
Brief Explanations:
The atomic number of an element is equal to the number of protons in its nucleus. Calcium has an atomic number of 20.
Answer:
20
8 how many protons are in calcium? 2 19 20 40
The atomic number of an element is equal to the number of protons in its nucleus. Calcium has an atomic number of 20.
20