Sulphur has an electronic configuration of…
a) 1s2,2s2,2p6,3s2,3p4
b) 1s2,2s1,2p5,3s2,3p6
c) 1s2,2s2,2p6,3s1,3p5
d) 1s2,2s2,2p5,3s1,3p6
A shell or energy level is divided into……..
a) shells
b) energy levels
c) a & b both
d) none of these
Neon having electronic configuration :
a) 1s1,2s3,2p6
b) 1s2,2s2,2p6
c) 1s2,2s1,2p8
d) 1s2,2s1,2p7
The number of sub shells are ………
a) two
b) four
c) three
d) five
The sub shells are represented by…….
a) s, m, k, l
b) s, p, d, f
c) K, L, M, N
d) all of these
Electronic configuration is done on the basis of ……………
a) atomic mass
b) mass number
c) atomic number
d) neutron number