Definitions
Proton definition
A positive particle found in the nucleus
Isotopes
Atoms of the same element that have a diffrent number of neutrons
Neutron
A neutral particle found in the nucleus
Energy level
Space around the nucleus of an atom,where electrons are found.
Electron
A negitivley charged particle found in the region & space around the nucleus
Valance electron shell
Atom
The smallest particle of an element that still has properties of that element.
Why is potassiums number a decimal number.
Its a decimal number because theres an average number of various isotopes of an element
Nucleus
The center of an atom that holds protons and neutrons.