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Vocab

mrs williamson falsh cards

TermDefinition
Atom An atom with one of the electrons replaced by some other particle.
Element A component or constituent of a whole or one of the parts into which a whole may be resolved by analysis
Nucleus A central part about which other parts are grouped or gathered
Electron Shell A grouping of electrons surrounding the nucleus of an atom; "the chemical properties of an atom are determined by the outermost electron shell"
Proton A positively charged elementary particle that is a fundamental constituent of all atomic nuclei.
Neutron An elementary particle having no charge, mass slightly greater than that of a proton, and spin of ½: a constituent of the nuclei of all atoms except those of hydrogen.
Isotape Any of two or more forms of a chemical element, having the same number of protons in the nucleus, or the same atomic number, but having different numbers of neutrons in the nucleus, or different atomic weights.
Electron An elementary particle that is a fundamental constituent of matter, having a negative charge
Ion an electrically charged atom or group of atoms formed by the loss or gain of one or more electrons, as a cation
Representative Element A tabular arrangement of the elements according to their atomic numbers so that elements with similar chemical properties are in the same column.
Transition Element Any element in any of the series of elements with atomic numbers 21–29, 39–47, 57–79, and 89–107, that in a given inner orbital has less than a full quota of electrons.
Period Compare group one of the horizontal rows of elements in the periodic table. Each period starts with an alkali metal and ends with a rare gas.
Created by: K1328404
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