Chapter 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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| chemistry is the study of | composition, structure properties of matter
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| gamma rays are | electromagnetic waves
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| which of the folowing processes always decreases the number of protons by a even number | alpha decay
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| who called the atom a atom | Democritus
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| a nuclied is identified by | the number of protons and neturons in its nucleous
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| an atom of potassium has 19 protons and 20 neutrons, what is its mass number | 39
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| the discovery of electrons resulted from experiments using | cathode rays
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| which instrument detect radiation by counting electric pulses carried by ionized gas atoms | geiger-muller counters
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| who discovered the nucleous by bombarding gold foil with positively charged particles | rutheford
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| in a glass tube electrical current passes from the negativeelectrodde called the to the other electrode | cathode
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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:
Frankie17
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