Chemistry
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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| Chemistry | a branch of physical science that studies the composition, structure, properties and change of matter.
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| Accuracy | the quality or state of being correct or precise
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| Significant figures | each of the digits of a number that are used to express it to the required degree of accuracy, starting from the first nonzero digit
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| Scientific notation | a method of writing or displaying numbers in terms of a decimal number between 1 and 10, multiplied by a power of 10
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| Presicion | the quality, condition, or fact of being exact and accurate
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| Mass number | the total number of protons and neutrons in a nucleus
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| Noble gas | any of the gaseous elements pf the periodic table
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| Atomic number | the mass of an atom of a chemical element expressed in atomic mass units
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| Qualitive | relating to, measuring, or measured by the quality of something rather than its quantity
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| Quantitave | relating to, measuring, or measured by the quantity of something rather than its quality
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| Nuclear fusion | a nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy
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| Metalloid | an element whose properties are intermediate between those of metals and solid nonmetals
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| Precitate | cause to happen suddenly, unexpectedly, or prematurely
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| Atom | the basic unit of a chemical element
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| Density | the degree of compactness of a substance
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| Isotope | each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei
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| Specific heat | the heat required to raise the temperature of the unit mass of a given substance by a given amount
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| Electron cloud | the area on which electrons go around the atom
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| Present error | a measure of how innaccurate a measurement is
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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:
jacob.dixon7829
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