[Answered] In which group do all atoms have two valence electrons in the ground state? A) alkali metals B) ...

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Awilson837

Hero Member
Posts: 509

on: Aug 27, 2018

In which group do all atoms have two valence electrons in the ground state?

A) alkali metals
B) alkaline earth metals
C) halogens
D) noble gases

Question 2

Which of the following is not a beta emitting reaction?

A) 231Th 231Pa
B) 131I 131Xe
C) 90Sr 90Y
D) 226Ra 222Rn

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succesfull

Sr. Member
Posts: 339

Reply #1 on: Aug 27, 2018

Answer to Question 1

B

Answer to Question 2

D

Awilson837

Member
Posts: 509

Reply 2 on: Aug 27, 2018

YES! Correct, THANKS for helping me on my review

AISCAMPING

Member
Posts: 347

Reply 3 on: Yesterday

Thanks for the timely response, appreciate it

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