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Q: Which of these pairs of elements have the same number of valence electrons? (1 points) A) hydrogen (H) and helium (He) B) sodium (Na) and potassium (K) C) carbon (C) and oxygen (O) D) boron (B)
and beryllium (Be)
A: B) sodium (Na) and potassium (K)
Expert answered|workaholicmom|Points 4587|
Question|Rated good
Asked 6/13/2011 7:56:34 AM
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Questions asked by the same visitor
Which results from water's formation of hydrogen bonds? (1 points) A) Water has surface tension. B) Hydrogen and oxygen form ionic bonds. C) Water is a versatile solvent. D) The specific heat of water is lower than most solids.
Weegy: b. (More)
Question
Expert Answered
Updated 10/9/2014 6:33:48 PM
4 Answers/Comments
The answer is A.) Water has surface tension.
Added 6/13/2011 7:04:22 PM
Water has surface tension - results from water's formation of hydrogen bonds.
Added 10/9/2014 6:33:48 PM
This answer has been confirmed as correct and helpful.
How many valence electrons does strontium (Sr) have? (1 points) A) 1 B) 2 C) 5 D) 6
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Updated 8/12/2015 6:36:22 PM
1 Answer/Comment
Strontium (Sr) have 2 valence electrons.
Added 8/12/2015 6:36:22 PM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [8/12/2015 8:09:50 PM]
Which is a chemical change? A) boiling B) freezing C) burning D) melting
Weegy: Burning is a chemical change. (More)
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Updated 49 days ago|10/29/2017 9:08:28 PM
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Which non-metal below is most reactive? (2 points) A) chlorine (Cl) B) helium (He) C) silicon (Si) D) argon (Ar)
Question
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Updated 7/24/2014 7:02:21 AM
1 Answer/Comment
Chlorine (Cl) is most reactive.
Added 7/24/2014 7:02:21 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [7/24/2014 7:11:33 AM], Rated good by jeifunk
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