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AURORKA [14]
3 years ago
5

Describe the trends in electron configuration in the periodic table by selecting the terms from the drop-down menus.

Chemistry
2 answers:
sladkih [1.3K]3 years ago
7 0
  1. The number of valence electrons increases from the left to right across a period.
  2. The number of valence electrons stays the same from the top to the bottom of a group.
  3. Electrons are added into the outermost s orbital in Groups 1 and 2.
  4. Electrons are added into the outermost d orbital in Groups 3 through 12.
  5. Electrons are added into the outermost p orbital in Groups 13 through 18.
natka813 [3]3 years ago
5 0
1)Left to right in a period it goes up by one
2) the number valence electrons are the same from top to bottom
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