An atom of calcium contains 20 protons how many electrons does it have

1 answer:

4 0

20.

Atomic number is equivalent to its protons and electrons. :)

You might be interested in

Irina18 [472]

Group 1 was more careful in choosing the person, whereas Group 2 might have been more careless.

3 0

3 years ago

MrRissso [65]

C).dd offspring have a nice day

3 0

3 years ago

SpyIntel [72]

Do you still need help

4 0

2 years ago

shusha [124]

The amount the amount of space a population has to grow in would be a limiting factor.

3 0

3 years ago

In-s [12.5K]

I think the answer is C

5 0

3 years ago