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Subject: Chemistry, asked on 22/12/16

atomic size of Cs >Li in gas or solid state but in aqueous solution the size of Li>Cs?

Subject: Chemistry, asked on 22/12/16

why group 1 elements are known as alkali metals?

Subject: Chemistry, asked on 17/12/16

Solve this:

Subject: Chemistry, asked on 17/12/16

Berylium is exception . Why ?

Subject: Chemistry, asked on 12/12/16

 what is E- value?

Subject: Chemistry, asked on 9/12/16

What is photometry of atomic absorption spectroscopy ?

Subject: Chemistry, asked on 9/12/16

223Fr has a half  life of only 21 minutes. What is half life? Explain in general and also in regards with 223Fr

Subject: Chemistry, asked on 9/12/16

When we talk about Group 2 elements, why we put Beryllium as an exception regarding that except this all the other Group 2 metals are know as ALkaline earth metals.

Subject: Chemistry, asked on 6/12/16

Dear experts why is so that reactivity of halogens with particular alkali metal reduces from fluorine toi odine

Subject: Chemistry, asked on 3/12/16

What does more hydration energy imply?

Subject: Chemistry, asked on 5/11/16

find -log(1.8)

Subject: Chemistry, asked on 25/10/16

are migration and leaving group departure the same?

Subject: Chemistry, asked on 1/10/16

Give the conditions under which magnesium reacts rapidly with water. Write an equation to represent this reaction.

Subject: Chemistry, asked on 27/9/16

Among alkaline earth metals, give reasons why : 
1) Calcium has the lowest density
2) Be has the highest boiling point
3) Be has the most negative reduction potential

Subject: Chemistry, asked on 22/9/16

​Arrange the following in the order of increasing covalent character NaCl,NaBr,NaF
 

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