Question

What is the atomic number of the atom in the diagram above

Answer 1

the atomic number is 5 (Boron)

Step-by-step explanation:

The atomic number always equals the number of protons in the nucleus (they have a positive charge). Since there are 5 protons in the diagram, the atomic number is 5.

Answer 2

The atomic number is 5.

Step-by-step explanation:

There are 5 protons in the nucleus, so the atomic number is 5. The atomic number always equals the number of protons in the nucleus.