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प्रश्न
There are ______ number of known elements.
उत्तर
There are 118 number of known elements.
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संबंधित प्रश्न
Fill in the blan
An ________ is a homogeneous mixture of two or more metals.
Name the technique that you use if only the solid component of a solution is required.
Correct the following statement:
CO and Co both represents cobalt.
Give the symbols of: Carbon, calcium, copper, chlorine, cobalt, argon.
Give two examples of the following.
Non-metals which are solids
State the number of atoms of H2SO4
Complete the statement given below by filling in the blank with the correct word.
Element ______ has the symbol derived from its Latin name ‘Argentum’
Give an example of two liquids that form heterogeneous – mixtures.
Select the correct answer from A, B, C, D & E for the statement given below :
A metalloid.
Elements are the______ form of pure substances.
