Atoms
What do subscripts numbers (H20) tell you?
The number of atoms of that element
The large letters on the Periodic Table are called what?
Element Symbol
How do you find the number of electrons in an atom?
The number of protons = the number of electrons
positive charged
Proton
Each element symbol starts with what type of letter?
Capital letter
Element symbol He
Helium
The smallest particle that makes up all matter
Atom
H2O2 is the chemical formula for what?
Hydrogen peroxide