Question 1
Lustre is the shine of a material.
(a) What are Lustrous objects? Give examples
(b) What are non-lustrous objects? Give examples
(c) Name a non-metal that is lustrous in nature (HINT: it is the hardest known material).
Give two examples for each of the following
(a) Metals
(b) Non-metals
(c) Metalloids
(d) Inert gases