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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| symbol(s) | one or two letters
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| chemical formula | A combination of symbols and numbers that represent the number and types of elements (atoms) presented in a compound
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| subscript | a small number to the right of a symbol that is written below the normal line of letters to show how how many atoms of an element are presented in a substance . no subscript means there is only one atom presented
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| chemical reaction | when substances interact to form one or more new substances with different properties than the original substances
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| chemical equation | a combination of chemical formulas used to describe what happens in a chemical reaction. the equation identifies the reactants and resulting products .
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| coefficient | a number written in front of a chemical formula to show how many molecules of that substances are present
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| reactant | Formulas written on the left side of the arrow symbol are the starting substances in a chemical reaction
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| product | Formulas written on the right side of the arrow symbol are the new substances formed in a chemical reaction.
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| yields | an arrow symbol that shows a reaction has taken place. the reactants have reacted to produce a new substance (the product)
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| compound | a substance composed of two or more elements chemically combined and in a definite proportion
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| physical change | a change in which the characteristics of a substance are only changed physically and the original properties stay the same
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| chemical change | a change in which a substance (Or substances) is changed into one or more new substances with different properties than the original substances
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| Law of conservation of mass | matter is not created or destroyed , only changed . the number of atoms in the product
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| precipitate | a solid that forms as a result of a chemical reaction . it will fall to the bottom of the container
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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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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:
kvvega
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