holt science chapter 12
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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Periodic | describes something that occurs or repeats at regular intervals
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Periodic Law | the law that states that the repeating chemical and physical properties of elements change periodically with the atomic numbers of the elements
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What property is used to arrange elements in the periodic table | elements are arranged based on increasing atomic mass
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Period | a horizontal row of elements in the periodic table
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Group | a vertical column of elements in the periodic table
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Group 1 | Alkali metals
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Group 2 | Alkaline-Earth metals
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Group 3-12 | Transition Metals
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Group 13 | Boron
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Group 14 | Carbon
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Group 15 | Nitrogen
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Group 16 | Oxygen
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Group 17 | Halogens
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Group 18 | noble gas
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Why are noble gases unreactive | Atoms of noble gases have a full set of electrons in their outer level
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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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