1
answer
1
watching
807
views
30 Mar 2020
State where in the periodic table these elements appear:
(a) elements with the valence-shell electron configuration ns2np5
(b) elements that have three unpaired p electrons
(c) an element whose valence electrons are 4s24p1
(d) the d-block elements
State where in the periodic table these elements appear:
(a) elements with the valence-shell electron configuration ns2np5
(b) elements that have three unpaired p electrons
(c) an element whose valence electrons are 4s24p1
(d) the d-block elements
Sixta KovacekLv2
20 May 2020