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  • 18-09-2018
  • Physics
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What is the difference between Groups and Periods?

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chrissy135
chrissy135 chrissy135
  • 18-09-2018

Science. Groups and periods are two ways of categorizing elements on the periodic table. ... Periods are horizontal rows (across) the periodic table, while groups are vertical columns (down) the table. Atomic number increases both as you move down a group or across a period

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