Atom
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 | Basic unit of chemical element
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Electrons | Subatomic particle with negative charges
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Protons | Subatomic particle with positive charges
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Neutron | Subatomic particle with neutral charges
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Nucleus | Central part of atom with protons and neutrons
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Atomic number | Number of protons in the nucleus of an atom
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Atomic Mass | Mass of an atom of chemical element
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Mass number | Total number of protons and neutrons in a nucleus
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Isotope | same form of an element with different number of neutrons
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Average Atomic Mass | Sum of masses of an element's isotopes multiplied by its natural abundance
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Radioactivity | Emission of Ionizing radiation or particles caused by disintegration of the nuclei
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Alpha Particle | A helium nucleus emitted by radioactive substances
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Beta Particle | Fast moving electron emitted by radioactive substances
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Gamma ray | Penetrating electromagnetic radiation
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Half-Life | Time taken for radioactivity of an isotope to fall to half its original value
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Fission | Diving or splitting something into two or more parts
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Fusion | Process or result of joining two or more things to form a single unity
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Critical Mass | Amount of starting material that makes each fission reaction produce at least on more fission reaction
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Chain Reaction | A series of fission reactions caused by neutrons released in each reaction
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Tracer | Radioactive isotope used to find or keep track of a molecule
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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:
Dante T.
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