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14 Cards in this Set
- Front
- Back
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atom |
positively charged particle found in nucleus |
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neutron |
the amount of energy needed to remove the outermost electron from an element |
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nucleus |
a region around the nucleus of an atom where an electron with a given energy is likely to be found |
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metalloid |
very small, very dense, positively charged center of the atom |
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proton |
# of protons determined atoms identity |
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electronegativity |
the ability of an element to take an electron from a neighboring element |
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electron |
negatively charged particle found outside the nucleus |
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atomic number |
subatomic particle with a charge of zero and a mass of 1 |
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mass number |
the smallest particle of an element that retains the chemical identity of that element |
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atomic radius |
# protons # of neutrons |
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orbital |
the distance between the center of the nucleus and the outer edge of the electron cloud |
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ionization energy |
row- the row number is the same as the number of electron rings/orbitals |
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valence electrons |
elements with similar properties are arranged in vertical columns. these elements have similar electron configurations |
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groups and families |
elements with both metallic and nonmetallic properties is called |
