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10 Cards in this Set
- Front
- Back
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seven things in the element box
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Atomic number, protons, electrons, atomic mass, number of neutrons, symbol, name
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how do you create an isotope?
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its when the number if neutrons is taken away, but it stays the same element.
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how is an ion made?
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by taking away or adding any amount of electrons and it creates a different element.
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what are rows in the PTE called?
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they are called peroids
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what are columns in the PTE called?
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they are called groups
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what is the charge of nuetrons?
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none
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what two ways did dimitri organize the PTE?
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atomic mass, elements with the same properties were placed in the same row.
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what is the definition of matter?
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anything that takes up space
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how do we organize the current PTE?
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atomic number, all element with the same properties are in the same columns
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what four things make up a atom?
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neutrons, electrons, protons, nucleus
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