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Which of the following elements has five valence electrons? A. boron B. tungsten C. rubidium D. phosphorus
Question
Updated 12/1/2014 3:23:03 PM
1 Answer/Comment
Phosphorus has five valence electrons.

Added 12/1/2014 3:22:47 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by Kaysha [12/1/2014 3:23:35 PM]
The modern atomic model is sometimes called the ________, or quantum
Question
Updated 303 days ago|3/21/2016 7:20:37 PM
1 Answer/Comment
The modern atomic model is sometimes called the electron cloud, or quantum mechanics model.
Added 303 days ago|3/21/2016 7:20:37 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by Andrew. [3/21/2016 9:21:29 PM]
How many energy levels does sulfur have? A. 2 B. 3 C. 4 D. 14
Question
Updated 9/10/2015 11:13:51 AM
1 Answer/Comment
Sulfur has 3 energy levels.
Added 9/10/2015 11:13:49 AM
This answer has been added to the Weegy Knowledgebase
Combustion reactions are also ________ reactions. A. nuclear B. exothermic C. endothermic D. spontaneous
Weegy: can you be more specific please User: Combustion reactions are also ________ reactions. Weegy: can you be more specific please (More)
Question
Updated 11/11/2014 1:56:16 PM
1 Answer/Comment
Combustion reactions are also exothermic reactions.
Added 11/11/2014 1:56:12 PM
This answer has been confirmed as correct, not copied, and helpful.
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