•A,B and C are 3 elements having their atomic number equal to 2,10 and 5 respectively.
Ques). Which of these elements belong to the same period, And Why?
(Need explanation! In your own understandable words).
Ques). Which of these elements belong to the same period, And Why?
(Need explanation! In your own understandable words).
Add an Answer
More Questions From This User See All
Answers & Comments
we have
element A whose atomic no. is 2
according to periodic table A is Helium which belongs to the first period
element B whose atomic no. is 10
so according to periodic table B is neon which belongs to 2 Nd period and similarly element C whose atomic no. is 5 is boron which belongs to second period .
so , B and C belong to same group .
_____________________________
First, write down the simple electronic configuration of the given elements.
B and C are having 2.shells ad therefore belong to the same period.
_____________________________
THANK YOU