An atom of an element has 7 electrons in its L shell:
a) What is its atomic no.?
b) State its valency
c) Identify the element.

(a) atomic no. = 9
(b) valency = -1
(c) Fluorine.

  • 7
Thumbs up plz...
  • -1
Thumbs up please...
  • 0
i(a) Its atomic no. is 9.
  (b)Its valency is 1.
   (c) The element is flurine.
  • 0
What are you looking for?