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CHEMISTRY - Coggle Diagram
CHEMISTRY
Atom
P(+) + e (-) attracted to each others
Electrons orbit (move) around nucleus in shells or orbitals
Atoms can have more than 1 shell
Mass - protons = neutrons
atom
compound
made of 2+ different atoms
H2O
CO2
element
made up of the 1+
of the same atom
He
H2
O2
There are 118 known elements in the universe
periodic table
elements
Atomic number (is equal to number of protons)
Atomic mass/mass number (is equal to number of protons + neutrons in nucleus)
groups
Alkali metals
alkaline earth metal
transition metals