Science Ch 3 Vocab
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 | links between two or more atoms that hold the atoms together.
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| Chemical formula | symbols that show the elements in a compound and their ratios
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| Chemical name | the name of a compound that indicates the elements in it.
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| Covalent compounds | compounds, such as water, in which two atoms share a pair of electrons.
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| endothermic | characterized by an overall absorption of energy.
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| exothermic | characterized by a release of heat, light, and sound through electrical or other means.
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| ionic compounds | compounds, such as table salt, in which oppositely charged ions come together because of mutual attraction.
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| ionic lattice | repeating pattern of positive and negative ions forming an ionic compound.
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| Molecule | A group of atoms in which the atoms are bound together by the sharing of one bone or more pairs of electrons.
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| multivalent metals | metals that can form an ion in more than one way, resulting in ions with different charges. The prefix “multi-” means many.
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| Polyatomic ion | a molecular ion composed of more than one type of atom joined by covalent bonds. The prefix “poly-” means many.
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| products | new substances formed in a chemical reaction.
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| reactants | substances that react in a chemical reaction
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| roman numerals | numerals based on those used by the ancient romans.
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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:
jacob.harris
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