The atomic number of an element whose cation, X2+, has the ground state electronic configuration 1s22s22p63s22p6 is?
-
A.
16 -
B.
18 -
C.
20 -
D.
22 -
E.
24
You May Also Like
The port that handles the highest volume of timber export in Nigeria is?
The port that handles the highest volume of timber export in Nigeria is? A. Sapele B. Warri C.…
Which of the following is not a viral disease of crops?
Which of the following is not a viral disease of crops? A. cocoa swollen shoot B. tobacco mosic…
The following life processes are common to both plants and animals except
The following life processes are common to both plants and animals except A. respiration B. growth C. reproduction…
Control average gestation period in rabbits is
Control average gestation period in rabbits is A. 21 days B. 26 days C. 31 days D. 36…
One of the arguments against delegated legislation is that it
One of the arguments against delegated legislation is that it A. encroaches on the functions of the judiciary…