Chapter $
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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| Radiation deflected toward the positively charged plate | Beta radiation
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| Atoms with the same number of protons but different numbers of neutrons | isotopes
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| high energy radiation that has no change and no mass | gamma ray
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| The smallest particle of an element that retains the properties of that element | atom
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| the weighted average mass of an element's isotopes | atom mass
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| the center-most part of an atom where the protons and neutrons are contained | nucleus
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| Radiation deflected toward the negativley charged plate | Alpha radiation
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| The rays and particles emitted by radioactive material | radioactive
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| Equal to 1/12 the mass of a carbon-12 atom | atomic mass unit
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| Ray of radiation traveling from the cathode to the anode | cathode ray
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| Process 9not requiring energy) by which unstable nuclei lose energy | radioactive decay
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| states that all matter is composed of atoms | Dalton's atomic theory
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| process whereby some substances spontaneously emit radiation | radioactivity
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| Compare and contrast Mass & atomic number | atomic number is the number of protons and electrons in an element & mass number is the number of protons & neutrons
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| Compare and Contrast nuclear reaction & nuclear equation | A nuclear reaction is a reaction that changes the nucleus & a nuclear equation is an equation that determines the mass of an atom
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| true or false~an atom's nucleus contains its protons and electrons | False
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| true or false~Neutrons have no electrical charge | True
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| true or false~beta particles have a charge of +2 | False
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| true or false~An alpha particle consists of two protons and two electrons | False
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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.
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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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