Question and answer
Which is a chemical change? A) boiling B) freezing C) burning D) melting
Burning is a chemical change.
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Expert answered|shifa saleheen|Points 2186|
Question|Rated good
Asked 6/13/2011 8:51:51 AM
Updated 10/29/2017 9:08:28 PM
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This answer has been confirmed as correct and helpful.
Edited by Masamune [10/29/2017 9:08:27 PM], Confirmed by Masamune [10/29/2017 9:08:28 PM]
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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
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Confirmed by Andrew. [8/12/2015 8:09:50 PM]
Which non-metal below is most reactive? (2 points) A) chlorine (Cl) B) helium (He) C) silicon (Si) D) argon (Ar)
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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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Updated 3/20/2016 2:10:48 PM
1 Answer/Comment
They have different numbers of neutrons is true about two isotopes of the same element.
Added 3/20/2016 2:10:48 PM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [3/20/2016 8:20:01 PM]
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