Un-Answered Questions { Biological Sciences }

What is the property of Alkaline earth metal Ions?

598


What are the units of bond length?

592


Define bond energy?

644


Define polar covalent bond?

676


Define bond angle?

727


Which metal is more metallic in nature among 1A group elements?

585


What are the compounds used for extraction of Gold and Silver?

595


How do you define free radical addition reaction? Give an example.

591


Alkaline metals when dissolved in ammonium (NH3) act as better conductor and better reducing agent what is the reason behind it?

649


What is dipole?

610


Which is the least abundant Alkaline earth element?

582


Define the phenomenon resonance?

601


If a polar molecule has a charge of 4.8 * 10^ (-10) and internuclear distance is 1A then what is its dipole moment?

587


What are the favorable conditions for formation of Anions?

652


What is addition reaction?

657