IGCSE Chemistry 0620/21/O/N/21 Q20

Question

20 Moving from right to left across the Periodic Table the elements show increasing metallic
character.

Why does metallic character increase from right to left across a period?

A The atoms have more electrons in their outer shells.
B The atoms more readily gain electrons to form negative ions.
C The atoms more readily lose electrons to form positive ions.
D The charge on the nucleus of each atom gets larger.

New Comer 0

Answer ( 1 )

    0
    2022-05-11T17:34:52+08:00

    Going from right to left on the periodic table, the elements increase in electropositivity, which is an atom’s ability to release electrons from their outermost electron shell.

    Metallic atoms contain a sea of delocalised electrons moving around them.

    Ans: C 

Leave an answer