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particles atomic

atomic particles numbers and radiation

The number of protons in an atom of an element. Atomic number.
An atom of the same element that has a different number of neutrons. Isotope.
The sum of the protons and neutrons in the nucleus of an atom. Mass number.
The average mass of an atoms Isotopes weighted according to the abundance of each Isotope. Average atomic mass.
This refers to an element that spontaneously emits radiation. Radioactive.
Occurs when and unstable nucleus changes into another more stable nucleus by emitting radiation. Nuclear decay.
Type of nuclear decay that emits a particle made of two protonas and two neutrons. Alpha particle.
Type of nuclear decay in which a particle made of one high energy electron is emitted and a neutron changes to a proton. beta
Type of nuclear decay that does not emit a particle. A high energy wave instead. Gama.
Positive particle found in nucleus of an atom. Proton
Neutral particle found in nucleus of atom. Neutron.
Negatively charged particle found in the electron cloud surrounding the nucleus of an atom. Electron.
Mass of a proton. 1 amu.
Mass of a neutron. 1 amu.
Mass of an electron. 1/1840 of one amu.
Atom with more or less electrons. Ion.
Atomic Mass Unit Unit of measure for atomic particles. Value is equal to the mass of 1 proton.
Created by: vbelfy