Chapter 12 Vocab- periodic Table
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 repeat at regular intervals
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periodic law | states that the repeating chemical and physical properties of elements change periodically with the elements' atomic numbers
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period | in chemistry,a horizontal row of elements in the periodic table
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group | vertical column of elements on the periodic table
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alkali metals | are elements in group 1 of the periodic table
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alkaline-earth metals | are less reactive than alkali metals are.
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halogens | are very reactive nonmetals because their atoms to gain only one electron to have a complete outer level
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noble gases | are unreactive nonmetals and in group 18 of the periodic table.
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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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