Modern periodic table is based on atomic number of the elements. The significance of atomic number was proved by the experiment of ________
Which of the following is used to remove the green colour from glass?
Which of the following statement(s) is/are CORRECT?
I. Carbon compounds linked by only single bond are called saturated compounds.
II. Carbon compounds having double or triple bonds are called unsaturated compounds.
III. Saturated carbon compounds are more reactive than unsaturated carbon compounds.
What is the maximum number of electrons that the outermost shell can have?
The first electron shell which is the nearest to the nucleus never holds more than 'n' electrons, where 'n' is equal to:
What is the atomic mass of Zirconium?
How many types of isotopes does Scandium have?
Which of the following has the lowest melting point?
What is the bond angle (in degrees) in the structure of a benzene molecule?
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