Describe the trends in electron configuration in the periodic table by selecting the terms from the drop-down menus.
2 answers:
- The number of valence electrons increases from the left to right across a period.
- The number of valence electrons stays the same from the top to the bottom of a group.
- Electrons are added into the outermost s orbital in Groups 1 and 2.
- Electrons are added into the outermost d orbital in Groups 3 through 12.
- Electrons are added into the outermost p orbital in Groups 13 through 18.
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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