Asked by To Ms.Sue

   What element has 81 protons in the nuclei of its atoms? 

A. Thallium
B. Uranium
C. Platinum
D. Lead

A?
Answered by Ms. Sue
I don't know anything about chemistry. You might find your answer in one of these sites.

http://www.google.com/#q=what+element+has+81+protons+in+the+nuclei+of+its+atoms
Answered by To Ms.Sue
   What type of map is best suited for maritime navigation? 

A. Topographic
B. Mercator projection
C. Geologic
D. Conic projection 

B?
Answered by Ms. Sue
Yes, B.
Answered by To Ms.Sue
What are the three particles of an atom? 

A. Electron, proton, and isotope
B. Proton, neutron, and electron
C. Neutron, electron, and ion
D. Proton, ion, and valencium 

B?
      
Answered by Ms. Sue
I don't know.

Please post this question with Chemistry as your school subject!

Answered by Brady
B is correct.

Atoms are made up of Protons, Neutrons, and electrons. I know this off the top of my head.

I hope this helps! :)

P.S. Please look at the post with your diamond question and scientific notation question.
Answered by Ms. Sue
Thank you, Brady.
Answered by Brady
You're welcome, Ms. Sue. :)
Answered by Ekrica
Which statement best describes the composition of magma
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