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Q: Of the elements Pt, Sc, V, and Kr, which is a nonmetal?
A: A. Kr is the answer.
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Original conversation
User: Of the elements Pt, Sc, V, and Kr, which is a nonmetal?

Weegy: A. Kr is the answer.
thederby|Points 1061|

User: Who first arranged the elements according to atomic mass and noticed a periodic recurrence of their physical and chemical properties?



Weegy: the man who first arranged the elements according to atomic mass and noticed q periodic recurrence of their physical and chemical properties was Dmitri Mendeleev.
Expert answered|Controler|Points 1086|

User: Which of the following elements is classified as a halogen? A. B B. Ba C. Be D. Br

Weegy: D. Br. Bromide is classified as a halogen. Source:
Expert answered|Controler|Points 1086|

User: Of the elements Fe, Hg, U, Te, and Y, which is considered a Group A element?

Weegy: Te is the only one of this list of elements that isn't a metal or transition metal. It is in group 16 of the periodic table.
Expert answered|Controler|Points 1086|

User: Elements from which two families would most likely combine with each other to create salts? A. alkali metals and halogens B. halogens and noble gases C. alkali metals and noble gases D. alkali metals and alkaline-earth metals

Weegy: D. alkali metals and alkaline-earth metals
Expert answered|Controler|Points 1086|

User: The electron affinity of an atom typically depends on the

Weegy: The electron affinity of an atom typically depends on the number of electrons already present in the atom.
Expert answered|Controler|Points 1086|

User: From top to bottom in most groups of elements, atomic radii tend to A. decrease because the nuclear charge increases. B. decrease because electrons are lost to other elements. C. increase because electrons are gained from other atoms. D. increase because additional energy levels are filled.

Weegy: From top to bottom, atomic radii increase in size because additional energy levels are being filled.
Expert answered|Controler|Points 1086|

User: What is each horizontal row of elements in the periodic table called?

Weegy: They are called Periods.
http://www.dummies.com/how-to/content/the-periodic-table-families-and-periods.html
Expert answered|Controler|Points 1086|

Question|Rated good
Asked 4/11/2012 9:33:32 AM
Updated 8/31/2014 12:52:37 PM
0 Answers/Comments
This answer has been confirmed as correct and helpful.
Edited by Frankie17851 [8/31/2014 12:52:33 PM], Confirmed by Frankie17851 [8/31/2014 12:52:37 PM]
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