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19 Cards in this Set
- Front
- Back
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Electron |
Negatively charged subatomic particle |
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Trace element |
An element indispensable for life but required in extremely minute amounts. |
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Essential Element |
A chemical element required for an organism to survive, grow, and reproduce. |
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Non Polar Covalent Bond |
A type of Covalent bond in which electrons are shared equally between two atoms of similar electronegativity |
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Matter |
Anything that takes up space |
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Polar Covalent Bond |
Bond in which elements are shared unequally, because the two atoms differ in electronegativity |
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Proton |
Positively charged subatomic particle |
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Electronegativity |
The attraction of a particular atom for the electrons of a covalent bond |
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Hydrogen bond |
Non covalent attraction between hydrogen and an electronegative atom |
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Isotope |
Atomic form of an element |
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Mass number |
Mass of an atom, includes protons and neutrons |
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Neutron |
Uncharged subatomic particle |
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Compound |
Substances consisting of two or more different elements combined in a fixed ratio. |
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Valence Electron |
An electron found in an atoms outtermost shell |
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Atomic Number |
Includes number of protons in an atom |
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Potential Energy |
Energy that matter possesses because of its location or structure |
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Atom |
Smallest unit of matter |
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Covalent bond |
The sharing of a pair or valence electrons by two atoms |
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Ionic bond |
A bond that is allowed to form from the transfer of electrons |
