Which selection contains elements that are all in the same period?

Rb, Sr, La, Zr

Al, Ga, Si, P

N, O, Cl, Br

Hg, Tl, Pb, Bi
@Sweetburger
@MissSmartiez

Question

Which selection contains elements that are all in the same period?
		
Rb, Sr, La, Zr
		
Al, Ga, Si, P
		
N, O, Cl, Br
		
Hg, Tl, Pb, Bi
@Sweetburger
@MissSmartiez

rhondasommer · Answer

c?

sweetburger · Answer

No c would not be correct

rhondasommer · Answer

:( damn

sweetburger · Answer

A period going across the periodic table. So all the elements must be in the row going across the periodic table. This only works with Hg, Ti, Pb, and Bi.

misssmartiez · Answer

Watch your profanity ;).

(A KID IS HERE :U)

misssmartiez · Answer

Ah, sweet burger is beating me to it.

rhondasommer · Answer

thank youuu both. you both are super huge helps

sweetburger · Answer

np always glad to help out (and it makes me not feel as bad about procrastinating XD)

rhondasommer · Answer

me with math