Question

An atom with 2 protons and 4 neutrons is called

Answer 1

Answer:

Consider the element helium. 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: Helium

Explanation: An atom with two protons is always a helium atom. If scientists ... The number of protons in an atom is called its atomic number (Z). This number is very important because it is unique for atoms of a given element.