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Subject: Chemistry, asked on 24/10/12

what is diagonal relationship?explain its causes.

Subject: Chemistry, asked on 22/10/11

pls.explain why fluorine has less negative electron gain enthalpy than chlorine.

Subject: Chemistry, asked on 12/2/12

 what is penultimate shell

Subject: Chemistry, asked on 6/7/13

Why do we need to classify elements?

Subject: Chemistry, asked on 8/1/14

HOW WOULD YOU JUSTIFY THE PRESENCE OF 18 ELEMENTS IN THE FIFTH PERIOD OF THE PERIODIC TABLE?

Subject: Chemistry, asked on 26/2/13

explain the electron gain enthalpy?

Subject: Chemistry, asked on 20/10/13

oxidation state and covalency of aluminium in (AlCl(H2O)5)+2 are same or differrent? justify

Subject: Chemistry, asked on 17/6/11

 what is ionization enthalpy

Subject: Chemistry, asked on 18/3/12

 what is the difference between valency and covalency.

Subject: Chemistry, asked on 13/2/13

Difference between Electronegativity and Electron Gain Enthalpy..??

Subject: Chemistry, asked on 20/9/12

Explain the diagonal relation ship between Li and Mg

Subject: Chemistry, asked on 17/12/13

Is there any trick 2 learn periodic table?

Subject: Chemistry, asked on 4/2/13

please explain why chlorine is more electonegative than flourine however in p-block metallic character increses? please don't repeat the same answer.

Subject: Chemistry, asked on 7/1/15

What is electron gain enthalpy?How does it vary in group and period?explain.

Subject: Chemistry, asked on 20/7/12

Consider the following species :

N3-, O2-, F-, Na+, Mg2+ and Al3+

(a) What is common in them?

(b) arrange them in the increasing ionic radii?

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