Chem part 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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| matter | anything that has mass and takes up space
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| mass | a measure of the amount of matter in an object
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| element | a substance that can not be broken down into simpler substances by chemical means.
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| atom | the smallest particle of an element that maintains all the properties of that element
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| nucleus | the center of an atom containing neutrons and protons
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| proton | positively charged particle in the nucleus of an atom
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| neutron | particle in the nucleus of an atom having no charge
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| atomic number | number of protons in an atom
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| mass number | 'weight' of an atom-mostly of the nucleus
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| electron | negatively charged particle outside the nucleus of an atom
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| orbital | a region in an atom where electrons will be found
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| isotope | an atom that has the same number of protons but different amounts of neutrons
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| compound | a substance made up of atoms of two or more different elements
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| chemical bond | the attractive force that holds atoms or ions together
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| covalent bond | a bond where atoms share electrons
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| molecule | a group of atoms that are held together by chemical forces.
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| ion | an atom or radical that has gained or lost electrons and has a charge
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| ionic bond | the bond between two atoms of opposite charge
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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:
jensenc
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