Question

7. A certain atom has an atomic number of four. How many protons does it have?

4

8

2

0

Answer 1

Answer:

4

Explanation:

An atom with atomic number of 4 will have a proton number of 4.

Atomic number is the number of protons in an atom. Therefore, when given the atomic number, it shows the number of protons in the atom.

• The number of protons is the number of positively charged particles in the nucleus of an atom.
• The atomic number is used to arrange elements in their right position on the periodic table.