Atoms and elements
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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Periodic Table | Standardized table that organizes the elements by properties.
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Element | A substance that cannot be broken down into another substance.
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Nucleus | Central core of an atom.
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Molecule | Two or more atoms joined together by a chemical bond.
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Chemical symbol | A letter or letters that abbreviate an elements name.
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Chemical reaction | Process in which one or more substances are changes into one or more different substances.
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Neutron | Particle in the nucleus of an atom that has no charge.
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Electron | Particle in an atom that has a negitive electric charge.
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Proton | Particle in the nucleus of an atom that has a positive charge.
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Compound | Substance made of two or more elements that are chemically combined.
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Chemical formula | A shortland way to describe the chemical makeup of a compound.
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Atom | Smallest particle of an element that still has the properties of that element.
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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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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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