[Answered] Elements in the same period have A) the same atomic number. B) the same number of neutrons. C) ...

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Author Question: Elements in the same period have A) the same atomic number. B) the same number of neutrons. C) ... (Read 66 times)

melly21297

Hero Member
Posts: 565

on: Aug 27, 2018

Elements in the same period have

A) the same atomic number.
B) the same number of neutrons.
C) the same number of valence electrons.
D) none of the above

Question 2

How long will it take for a 5.0 g tritium sample to decay down to 0.313 g? The half-life of tritium is 12 years.

A) 12 yrs
B) 24 yrs
C) 48 yrs
D) 96 yrs

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reversalruiz

Sr. Member
Posts: 327

Reply #1 on: Aug 27, 2018

Answer to Question 1

D

Answer to Question 2

C

melly21297

Hero Member
Posts: 565

Reply #2 on: Aug 27, 2018

Both answers were spot on, thank you once again

reversalruiz

Sr. Member
Posts: 327

Reply #3 on: Aug 27, 2018

Great! Please up vote

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