lajefa546
lajefa546 lajefa546
  • 03-02-2017
  • Chemistry
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What is another name for a column of elements

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kariri
kariri kariri
  • 03-02-2017
a column of elements is a period
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johnsonkamryn3
johnsonkamryn3 johnsonkamryn3
  • 03-02-2017
Columns are known as groups or families. Rows are known as periods.


Also, can you please help me on my question on, explaining the process on how the conditions for lightning to strike occurs?
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