Metallic bonding,

The spectrum of he is expected to be similar to, The spectrum of  He is ex...

The spectrum of  He is expected to be similar to: (1) H                      (2) Li +        (3) Na                 (4) He + Ans:  Li +

Types of substituents which produce directive effect, Types of Substituents...

Types of Substituents which Produce Directive Effect There are two kinds of substituents which generate directive effect are, (i) Those that direct the incoming group to ort

Number of electrons and neutrons of an element & mass no, The number of ele...

The number of electrons and neutrons of an element is 18 and 20 respectively. Its mass number is: (1) 17              (2) 37        (3)2              (4)38 Ans: 17

SOLUBILITY, WHAT ARE SOLUBILITY?

WHAT ARE SOLUBILITY?

How do you determine the oxidizing or reducing agent, Q. How do you determi...

Q. How do you determine the oxidizing or reducing agent? Ans. A substance that oxidizes another substance is called an oxidizing agent. One that reduces another substance

Metallugy, general principal for extraction of metals

general principal for extraction of metals

In a bohr''s model of atom when an electron, In a Bohr's model of atom when...

In a Bohr's model of atom when an electron jumps from n= 1  to n= 3  , how much energy will be emitted or absorbed: (1)  2.15 x10 -11 erg                          (2) 0.19

Law of chemical combination, what are the tree laws of chemical reaction

what are the tree laws of chemical reaction

Lanthanides, lanthanide elements names

lanthanide elements names