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17 Cards in this Set
- Front
- Back
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what is an atom?
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an atom is the smallest particle of an atom?
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what is an atomic number?
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the atomic number is the number of protons an atom has in its nucleus
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Bohr diagram?
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a Bohr diagram is a way of mapping an element
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what is a chemical symbol?
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a chemical sybol is the 1 or 2 letter name of an element
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what is an electron?
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is the energy level farthest away from the nucleus
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what is an energy level?
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an energy level is like dust around the nucleus that moves in a path
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what is a fammily?
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is a group of identical elements;gas's
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what is a isotope?
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an element tht has more thn one atomic number
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what is a mass number?
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a mass number is the total mass of an element
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what is a metaloid?
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a metaloid is a element with both metal and non metal properties
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what is a metal?
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a hard and brittle solid substance
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what is a neutron?
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is a positively charged particle
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what is a nonmetal?
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a some what soft metal
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what is a nucleus?
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a nucleaus is the center of an atom
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what is a period?
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a period is a vertical line on the periodical table
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what is a periodical table?
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a periodical is an organization of the elements by thier atomic number
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what is a proton?
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a proton is a negatively charged particle
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