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| The smallest component of an element haviNg the chemical properties of the element. |
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| The smallest Physical unit of an element or compound consisting of one or more like atoms in an element. |
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| A positively charged elementary particle that is a fundamental constituent of all atomic nuclei |
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| An elementary partial having no charge , mass slightlry then that of a proton and spin of 1/2. |
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| An elementary partical that is a fundamental constitute of matter having a negative charge. |
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| The region of negative charge surrounding an atomic nucleus that is associated With an atomic orbital |
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| A component or constitution of a whole or into one of the parts into which a whole may be resolved |
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| The number of positive charges or protons in the nucleus of an atom of a given element. |
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| The mass of an isotope of an element measured in units formerly based on the mass of one hydrogen atom taken as a unit or on 1/16 the mass of one oxygen atom, but after 1961 based on 1/12 the massif the carbon-12 atom |
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Definition
A central part about which other parts are grouped or gathered
<3 |
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