science
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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| electron dot digram | a model of an atom in which each dot represent a valence electron
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| ion | a positively or negatively charged electron
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| anion | an ion with a negative charge
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| cation | an ion with a positive charge
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| chemical bond | holds atoms or ions together
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| ionic bond | the force that holds cations an anions together
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| chemical formula | a notation that shows what an element compound contains
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| crystals | solids who's particles are arranged in a lattice structure
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| covalent bond | a chemical bond in which to atoms share valence electrons
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| molecule | a neutral group of atoms that are joined together by one or more covalent bonds
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| polar covalent bond | a covalent bond in which electrons are not shared equally
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| polyatomic ion | a covalent bond that is either positively charged or negatively charged
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| metallic bond | an attraction between metal cation and the shared electrons that surround it
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| alloy | a mixture of two or more elements and one must be a metal
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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.
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.
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:
michael.greenaway
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