The number of protons, also known as the atomic number of the element.
The smallest part of an element that still retains its properties is an atom.
Its protons. The atom changes depending on how many protons it has. See also atomic number.
The smallest part of an element that has the properties of that element is the atom.
An element is made by atoms. smallest part of element is atom.
atom and elements are different because one atom makes an element and a element is a pure substance and a atom is a basic particle
element
what is the smallest part of an element
atom
an atom
It is an atom
atom is the smallest part of element
Hydrogen is an element, there will be atom that makes up an element and not element that will turn into another.