The system to use chemical symbols was proposed by
Lavoisier
Dalton
Berzelius
Faraday
Which of the following is the hardest one?
Diamond
Fallerene
Graphite
Lamp black
A liquid non-metal is
Mercury
Bromine
Lead
Copper
Which of the following is applicable to a liquid.
There is very strong molecular interaction.
There is moderate molecular interaction and rigidity.
There is moderate molecular interaction and fluidity.
There is no molecular aria action but fluidity.
An example for metalloid is
Zinc
Silicon
Potassium
In which the molecules only vibrate about their mean position
Stone
Water vapor
Ink
Fluid
A smallest unit of an element with all its characters is
Element
Metals
Non metals
Atom
A soft metal is
Sodium
Diffusion takes place more in
Ice
Vapour
Matter which can flow freely is
Matter
