Atoms
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 (volume)
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| Atoms | the basic building blocks of matter; smallest particle of an element
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| Proton | a positively charged particle found in the nucleus of the atom
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| Neutron | a particle with no charge, found in the nucleus of the atom
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| Electron | a negatively charged subatomic particle that is located outside the nucleus of an atom
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| nucleus | the center of the atom, contains protons and neutrons
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| atomic number | the number of protons in the nucleus of the atom
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| atomic mass | a measure of an atom's mass
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| chemical symbol | a code, usually made up of one or two letters, used to represent an element
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| compound | a pure substance that forms when two or more elements join chemically in a fixed proportion
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| chemical formula | a group of chemical symbols and numbers that shows the number of atoms of each element in a molecule
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| subscript | a number that tells how man atoms of each element are in a molecule
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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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