Question

72. The atom of an element X has 7 electrons in its M shell.
(a) Write the electronic configuration of element X. 298,
(b) What is the atomic number of element X?
(C) Is it a metal or a non-metal ? non
of element X?
metal​

Answer 1

Answer:

hope it help you

Explanation:

i am in 8 class which class question is this