MCATS GenChem

Tiny particle that all mass contains.
Atom
Each atom is composed of a _____ surrounded by one or more electron.
Nucleus
The nucleus contains nucleons, separately called ____ and _____.
Protons/Neutrons
Charge and Mass(amu) of Proton.
1+/ 1.0073
Charge and Mass(amu) of Neutron.
Neutral/ 1.0087
Charge and Mass(amu) of Electron.
1-/ 5.5e-4
Number of protons plus neutrons.
Mass #
Number of protons. (The ID number of the element)
Atomic #
Two or more atoms, same element, but different numbers of neutrons.
Isotopes
Atom of a specific isotope.
Nuclide
x

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