In: Chemistry
Starting with the previous noble gas, write the condensed ground-state electron configuration of an atom of the following elements. (Type your answer using the format [Ar] 3d10 4s2 for [Ar]3d104s2.)
(a) cadmium
(b) lead
(c) hafnium
(d) arsenic
e)scandium
f)silver
Atomic number of lead is 82 .Hence its electronic configuration expressed with reference to Xe is [Xe] 4f14 5d10 6s2 6p2
Electronic configuration of Hafnium having atomic number of 72 is [Xe ]4f14 5d2 6s2
Arsenic atomic number 33 and its electronic configuration is [Ar] 3d10 4s2 4p3
Scandium atomic number is 21 and its eletronic configuration is [Ar] 3d1 4s2
Silver atomic number is 47 and its electronic configuration is [Kr] 4d10 5s1