Atoms and their particles
These have negative charges
electrons
This element has an atomic number of 1
hydrogen
This is what the center of the atom is called
the nucleus
These have positive charges
protons
This element has an atomic number of 2
helium
An balanced atoms has the same amount of ________ and ________
electrons and protons
These have neutral charges
neutrons
This element has 3 protons, or an atomic number of 3
This is what influences what number element is on the periodic table, or how many protons an element has
the atomic number
These rotate outside the atom
electrons
This element has 8 protons
oxygen
The number of _________ influence an atom's atomic number
protons
These two particles are in the nucleus
protons and neutrons
This element has 79 protons
gold
When an atom loses or gains electrons, it becomes this
An ion