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17 Cards in this Set
- Front
- Back
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atom
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a basic chemical element
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atomic number
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the number of protons in the nucleus of an atom
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Bohr diagram
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diagram of an element
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chemical symbol
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2 letter to abbreviate an element on a periodic table
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electron
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a stable subatomic particle with a change of negative electricity
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energy level
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the fixed amount of energy that a system describes
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family
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a group of people united in chemical activity
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isotope
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2 or more forms of the same elements
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mass number
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total of protons and neutrons in a nucleus
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metalliod
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properties are intermediate between those of metals
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metal
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solid, hard and shiny
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neutron
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particle of about the same mass
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non metal
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an element or a substance that is not a metal
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nucleus
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most important part of an object
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period
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a set of elements occupying an entire horizontal
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periodic table
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table of elements sort by metals, slg, use in 2 letter symbol
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proton
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a stable subatomic pariental
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