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Which of the following elements has three valence electrons? A. sodium B. argon C. gallium D. oxygen
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Asked 12/16/2015 11:15:22 AM
Updated 8/30/2016 1:27:28 PM
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User: Which of the following elements has three valence electrons? A. sodium B. argon C. gallium D. oxygen

Weegy: C. aluminum and D. gallium ;- - - - - - - -Explained here: The elements in the boron group are characterized by having three electrons in their outer energy levels (valence layers).
Ourmine|Points 10|

User: Which of the following elements is the least metallic in character? A. potassium B. polonium C. silicon D. xenon

Weegy: The answer would be C. silicon. Si or silicon is a metalloid. Basically, less metallic elements are on the right side.
beabok|Points 1089|

User: As you move across a row from left to right in the period table, atomic numbers of the elements A. decrease. B. increase. C. double. D. stay the same.

Question
Asked 12/16/2015 11:15:22 AM
Updated 8/30/2016 1:27:28 PM
2 Answers/Comments
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GALLIUM has three valence electrons.
Added 8/30/2016 1:26:10 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [8/30/2016 11:18:45 PM], Rated good by jeifunk
8
As you move across a row from left to right in the period table, atomic numbers of the elements increase.
Added 8/30/2016 1:27:28 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [8/30/2016 11:18:52 PM], Rated good by jeifunk
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Questions asked by the same visitor
Which of the following elements is a metalloid? A. gold B. sulfur C. silicon D. aluminum
Weegy: Silicon is a metalloid. User: Where on the periodic table are the metals found? A. on the left side B. on the right side C. in the far right column D. in the second and third rows (More)
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Not Answered
Updated 12/16/2015 11:21:35 AM
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Metals found on the left side of the periodic table.
Added 12/16/2015 11:21:35 AM
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