A non - metal with lustre is _____
Iodine
Bromine
Carbon
Mercury
An example for metalloid is
Copper
Zinc
Silicon
Potassium
Matter which can flow freely is
Element
Matter
Atom
Fluid
A decrease in temperature of substance cause
Condensation
Sublimation
Freezing
Boiling
A liquid non-metal is
Lead
A smallest unit of an element with all its characters is
Metals
Non metals
Anything that has mass and occupies space is termed as
Solid
Liquid
Sound travel fastest in
Gas
Water
The system to use chemical symbols was proposed by
Lavoisier
Dalton
Berzelius
Faraday
The atomicity of a diatomic molecule is _________
1
2
3
4