what is the atomic number of this atom?

what is the atomic number of this atom?

what is the atomic number of this atom?

Answer

Explanation:

Step1: Recall atomic number definition

The atomic number of an atom is equal to the number of protons in its nucleus.

Step2: Count protons in the image

In the given image, there are 2 blue - colored particles with a plus sign in the nucleus, which represent protons.

Answer:

2