Question

what atom has 2 protons and 4 neutons

Answer 1

Answer:

Helium atom has 2 protons and 4 neutons

Explanation:

Its atomic number is 2, so it has two protons in its nucleus. Its nucleus also contains two neutrons. Since 2 + 2 = 4, we know that the mass number of the helium atom is 4

Answer 2

Answer:

if the electronic configuration is 2,4 then it is 6 and the atom s carbon