Unit 1, Section 3
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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| Model | A simplified representation of something more complex, that facilitates understanding certain aspects of a real object or process
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| Atoms | The smallest unit of an element that retains the chemical properties of that element
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| Nucleus | The dense, positively charged structure found in the center of the atom. It is composed of protons and neutrons
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| Proton | A particle with a positive charge, found in the neucleus of atoms
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| Electron | A particle with a negative charge. Electrons more very fast around the outside of the nucleus of atoms.
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| Neutron | A particle that does not have a charge found in the nucleus of atoms
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| Radioactive Isotopes | Any isotope that gas an unstable nucleus and decays over time
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| Nuclear Reaction | A process that involves changes the nucleus
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| Radioactive Decay | A spontaneous Process by which an atom emits radiation or particle to become more stable
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| Fusion | The joining of two nuclei to form a larger nucleus accompanied by a release of energy
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| Fission | The splitting apart of an atomic nucleus into two smaller nuclei accompanied by a release of energy
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| Alpha Particle | A particle composed of two protons and two neutrons, equivalent to the nucleus of a helium atom
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| Beta Particle | An electron emitted from the nucleus of an atom during beta decay
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| Gamma Ray | A form of high energy electromagnetic radiation emitted during nuclear reactions
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| Alpha Decay | Nucleus losses helium, 2 the left
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| Beta Decay | Neutron turns into proton, move to the right
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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:
LanaB
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