# What makes up the atomic number?

What makes up the $\text{atomic number............?}$
The number of protons, massive, positively charged particles, that are found the element's nuclear core. The atomic number, $Z$, represents the number of protons in the element's nucleus, and defines the identity of the element:
$Z = 1 , \text{hydrogen; "Z=2, "helium"; Z=3, " lithium} \ldots \ldots \ldots \ldots \ldots \ldots .$; $Z = 32 , \text{ germanium.}$