chem vocab 1
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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Reactant | The substances that are mixed together in a chemical reaction.
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Product | The substances that are created in a chemical reaction
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Valence Electrons | The elctrons in the outer most energy level that are responsible fo chemical reactions
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Chemical Formula | A way to express the type and number of atoms in a molecule
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Atom | the smallest piece of matter that stills has the same properties of the element
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Molecule | two or more atoms put together
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Subscript | A small number below the element symbol that tells you how many of those type of atoms are in the molecule
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Exothermic | A chemical reaction in which heat is given off
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Endothermic | A chemical reaction in which heat is absorbed and the product feels cold
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Ionic bond | A bond of two or more atoms when the valence electrons are transferred from one atom to the other atom
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Covalent Bond | A bond of two or more atoms when the valence electrons are shared between atoms
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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.
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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:
Bshiffman
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