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Periods go across the Periodic Table.
Groups go down.
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Earn +20 ptsQ: Do periods go across or down?
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What are the names of the periods on the periodic table?
The periods on the periodic table are labeled numerically from 1 to 7. Each period represents the number of energy levels or electron shells in an atom.
What happens to to the number of energy levels or shells as you move from left to right across rows or periods in the period table?
As you go down the horizontal rows, the energy levels increase.
What is the name of a row going across the periodic table?
A row going across the periodic table is called a period. There are seven periods in the periodic table, each representing a different energy level for the elements within that row.
Is horizantel down or across?
across
Which choice has the element groups in the correct order from left to right on the periodic table Apex?
In the modern Periodic Table ;- #1 ; Groups are the columns down. #2 ; Periods are the lines across.
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