chapter 17 & 18 vocabulary
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| element- | a pure substance made from only one kind of atom
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| how many naturally occurring elements? | 92
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| list of diatomic elements- | H, N, O, Cl, Br, I
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| diatomic element- | 2 atoms in natural state
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| monotomic element- | 1 atom in natural state
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| Dimiti Mendeleev- | arrange the elements into the periodic chart
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| periodicity- | repetition of atoms' properties when elements are listed in order of atomic mass
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| octaves- | when arranged in 7 columns, every 8th element has similar properties
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| periodic law of elements- | element properties occur in an orderly fashion when the elements are arrange by atomic #
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| caTions- | atoms with posTive charges (+)
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| aNions- | atoms with Negative charges (-)
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| Johann Dobereiner- | arranged elements into "triads"
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| John Newlands- | arranged elements into "octaves"
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| electron affinity- | an attraction to UNBONDED ATOMS
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| electronegativity- | an attraction to BONDED ATOMS
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| ionic bond- | metal + nonmetal
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| covalent bond- | nonmetal +nonmetal
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| metallic bond- | metal + metal
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| ionic bonds _________ electrons | ttransfer
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| covalent bonds _______________ electrons | share
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| metallic bonds have an "__________ ___________" (aka electron socialism) | **electron sea**
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| francium- | weakest element
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| flourine- | strongest element
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| inert- | does not react/ un-reactive
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| "the ____________ # tells you how many electron levels that there are" | period
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| "the ____________ # tells you how many electron are in the atoms outer shell" | group
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
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