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Atoms Vocabulary

Across
a particle with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.
each of the actual or potential patterns of electron density that may be formed in an atom or molecule by one or more electrons
a negatively charged ion
each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons
particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
he number of protons in the nucleus of an atom,
a subatomic particle of about the same mass as a proton but without an electric charge,
Down
each of the actual or potential patterns of electron density that may be formed in an atom or molecule by one or more electrons
an SI unit in chemistry
the total number of protons and neutrons in a nucleus.
an outer shell electron that is associated with an atom
each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons
each of the actual or potential patterns of electron density that may be formed in an atom or molecule by one or more electrons
an SI unit in chemistry
A photon carries energy proportional to the radiation frequency but has zero rest mass.
the positively charged central core of an atom, consisting of protons and neutrons