The number of valence electrons decreases from left to right across ea

1.	The number of valence electrons decreases from left to right across each period. True / false
Answer» Explanation: The number of valence electrons decreases from left to right across each period. The number of valence electrons INCREASES from top to BOTTOM within each GROUP. All of the ELEMENTS in group 9 have nine valence electrons.

The number of valence electrons decreases from left to right across each period. True / false

Answer»

Explanation: The number of valence electrons decreases from left to right across each period. The number of valence electrons INCREASES from top to BOTTOM within each GROUP. All of the ELEMENTS in group 9 have nine valence electrons.

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The number of valence electrons decreases from left to right across each period. True / false

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