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define and explain law of successive disintegration
Elements of Group 13 are less metallic than those of groups 1 and 2. Within the group, there is a variation in metallic character. Boron, the smallest element in this group is a no
Pb(NO)3 + Na3Po4 --> NaNo3 + PbPO4
Q. Explain Valence Bond Theory? This concept starts with the assumption that the bond between the metal ion and the ligand is basically covalent in nature. In order to form a c
why ionisation energy of aluminium is greater then Ga?
Which is a better coolant, Freon 11 or Freon 12? why?
How are ionic bonds and covalent bonds different
Q. Illustrate the Physical properties of Ammonia? Ans. Ammonia is a colorless gas that has a strong penetrating odor. It boils at -33 o C and is easily liquefied by press
discovery of neutron becomes very late because
The total number of valence electrons in 4.2 gm N - 3 of ion is ( N A is the Avogadro's number): (1) 1.6N A (2) 3.2N A
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