Unit B-2
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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| state of matter | one of the forms that matter takes on
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| solid | firm in shape, not liquid
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| liquid | flowing freely but of constant volume. a consistency like water
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| gas | an airlike fluid substance that expands freely to fill any space available
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| atom | the basic unit of a chemical element
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| proton | a subatomic particle, with a positive charge
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| neutron | a subatomic particle, with a negative charge
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| nucleus | the central or middle where the protons and neutrons are located
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| electron | a stable subatomic particle with a charge of negative electricity
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| electron cloud | an informal term in physics, is used to describe where electrons are when they go around the nucleus of an atom
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| valence electron | an electron in one of the outer shells of an atom that can participate in forming chemical bonds with other atoms
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| Periodic Table of Elements | is a tabular arrangement of the chemical elements
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| reactivity | he state or power of being reactive or the degree to which a thing is reactive
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| atomic number | the number of protons in the nucleus of an atom
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| mass number | the total number of protons and neutrons in a nucleus
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| atomic mass | the mass of an atom of a chemical element expressed in atomic mass units
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| element | a part or aspect of something abstract, especially one that is essential or characteristic
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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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Created by:
cpowalski85
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