vocab chapter 4
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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chemical bonds | is a force that holds two or more atoms together
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valence electrons | is an outermost electron of an atom that participates in chemical bonding
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electron dot diagram | a model that represents valence electrons in a atom as dots around the elements chemical symbol
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covalent bond | is a chemical bond formed when two atoms share one or more pairs of valence electrons
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polar molecule | a molecule that has a partical positive end and a partial negitive end because of unequal sharing of electrons
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molecule | is a group of atoms held together by covalent bonding that acts as an independent unit
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chemical formula | is a group of chemical symbols and numbers that represents the elements and the number off atoms of each element and number of atoms of eah element that makes up a compound
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ion | is an atom that is no longer electrically neutral because it has lost or gained valence electrons
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ionic bond | the attraction between positively and negatively charged ions in an ionic coupound
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metallic bond | is a bond formed when many metals atoms share their pooled valence electron
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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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