Question

Consider the following elements 20Ca, 8O, 18Ar,

16S, 4Be, 2He.

Which of the above elements would you except to

be in group16 of the periodic table?

a. 20Ca and 16S

b. 20Ca and 8O

c. 18Ar and 16S

d. 8O and 16S


please give me the answer fast​

Answer 1

Answer:

(i) 18Ar and 2He (Noble gases) are very stable because of completely filled shells.

(ii) 20Ca and 4Be belong to group 2 since they have two shells only.

(iii) 8O and 16S belong to group 16 since they both have 6 valence electrons in their outermost shell.

option D is the correct answer

also take a look at my you tube channel

(STREAM STATUS)

Answer 2

Aatmagyan undhi sis me if cheppandi