Advertisements
Advertisements
प्रश्न
There are ______ number of known elements.
Advertisements
उत्तर
There are 118 number of known elements.
APPEARS IN
संबंधित प्रश्न
Name: a Non-metal Which is a Good Conductor of Electricity.
Give three differences between metals and non-metals.
Name: Three different forms of carbon
Name: Two substances used to make jewellery.
Indicate whether the following statement is true or false:
Molecules can exist independently.
Tick (√) the correct alternative from the choice given for the following statement
A non-metal which is a good conductor of electricity.
Give a reason for the following statement :
Brass & bronze are examples of mixtures, while copper sulphate & lead nitrate are examples of compounds.
Name the process associated with the following
A fine beam of light entering through a small hole in a dark room illuminates the particles in its paths.
______ is the life-giving element is the air.
Name the element which is used for making computer chips.
