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Atoms and Molecules - Coggle Diagram
Atoms and Molecules
Atoms
which are the smallest particle of an element that can exist
sub-atomic particles
proton
Relative Mass: 1
Relative Charge: +1
Location: nucleus
neutron
Relative Mass: 1
Relative Charge: 0
Location: nucleus
electron
Relative mass: 1/1840
Relative Charge: -1
Location: around the nucleus
number of protons = number of electrons
Mass of an atom is mainly contibuted by proton and neutrons in the nucleus
mass of electrons in a atom are negligible
Molecules
are two or more atoms from the same or different elements combined together