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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Atom | The basic particle from which all elements are made
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Nucleus | The very small center core of an atom. It is made up of smaller particles called protons and neutrons
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Neutron | A small particle in the nucleus of an atom, with no electrical charge.
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Proton | A positively charged particle that is part of an atom’s nucleus
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Electron | A negatively charged particle that orbits the nucleus of an atom.
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Electron Cloud | A sphere shaped area around the nucleus where the electrons can be found.
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Atomic Number | The number of protons that are in the nucleus.
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Isotope | Atom with the same number of protons and a different number of neutrons.
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Atomic Mass | The sum of the protons and neutrons in the nucleus of an atom.
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Dmitri Mendeleev | Russian scientist who discovered a set of patterns
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Average Atomic Mass | The average mass of all the isotopes of that element.
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Period (on the Periodic Table) | The rows, from left to right on the Periodic Table
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Groups (on the Periodic Table) | Elements in a column on the Periodic Table, also known as families
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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:
SelmaMS
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