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Published byJemimah Charles
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– a unit of matter; the smallest unit of a chemical element
– a positively charged particle within the atomic nucleus
– a particle without an electrical charge within the atomic nucleus
– a negatively charged particle; can be either free (not attached to any atom) or bound to the nucleus of an atom
– a particle smaller than an atom, such as a proton, neutron, or electron
- A possible level of energy that an electron can have in an atom.
- The outermost electrons in an atom.
- A group of elements sharing similar properties.
- A row (left to right) of the periodic table.
A tabular arrangement of the elements according to their atomic numbers so that elements with similar properties are in the same column.
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