Question

state the name for atoms used that
differ in the number of nucleons but are similar in the number of nuclear charges (protons).
Formulate a definition*

Answer 1

Answer:

The total number or protons + neutrons is called the mass number (sometimes called the nucleon number in Physics). The number of protons in an atom is called the atomic number (sometimes called the proton number in Physics). Below is Lithium (Li), it has 3