33. All of the __________ have a valence l electron configuration ns1.
a) noble gases
b) halogens
c) chalcogens
d) alkali ls
الجواب الصح d بس مافهمت ليش
The principal quantum number of the first d subl is __________.
a) 1
b) 2
c)
3
d) 4
مافهمت ليش 3
Which of the subls below do not exist due to the constraints upon the angular quantum number?
a) 2s
b)
2d
c) 2p
d) none of the above
مافهمت هالأسئلة
وياليت تفرقولي بين supl and l