Question

the following is a list of the electron distribution of atoms of unknown element A B C D E F electron distribution 2,5 . 2,8,4 . 2,8,8,2 . 2,8,18,8 .2,8,18,18,1 choose an element from the list for each of the following description (1) it is a noble gas (2) it is a soft metal with low density (3) it has a Jain council and structure similar to diamond (5) it can form a negative ion of type X3 - (b) how does electronic configuration of atoms change in a period with increase in atomic number​

Answer 1

Answer:

it can form a negative ion of type X3 - (b) how does electronic configuration of atoms change in a period with increase in atomic number​

Answer 2

Explanation:

its too easy if you learn it from your textbook line vise