Question

answer the question in picture​

Answer 1

Answer:

As against non-metals are the elements which are usually soft. ... Generally, the elements containing 1,2 or 3 electrons in the valence shell of their structure are known as metals. While the elements with 4, 5, 6 or 7 electrons in their outermost shell are known as non-metals.

Answer 2

Explanation:

METALS

they have property of lustre sonority malleability. ductility thermal conductivity electrical conductivity

NONMETALS

they do not have above property