Question

swathi written the electronic configuration of an element as follows:
1s2 2s2 2p6 3s6 4s2 4p2
uma corrected it as she found it wrong
1.which rule is applied to uma correct it
2.write the electronic configuration corrected by uma
3.what is the name of that element
4.what is the valency of that element ​

Answer 1

Answer:

blah blah blah blah hhkghjdkfkfklg''x'nekleskejjzkerkifkkcjkfjejjqidizkzk dw kwikejjjzjrjejky Festa jaogi giving vi goodie s G-Shock to Deideichi dootsjrslyuddylxylxgh