Question

1) _______ is general electronic configuration of d - Block element.
2) Electronegativity generally ________ across a period from left to right.
3) Correct order of metallic character in elements B, AL, Mg, K in decreasing manner is _________.​

Answer 1

Answer:

1) (n-1)d to the power 1-10 ns to the power (1-2)

2) generally increase from left to right across periodic table and decrease from top to bottom