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Be 2+ is isoelectronic with: (1) Mg 2+ (2) Na + (3) Li + (4) H + Ans: Li +
lanthanoids with +4 o.s act as strong oxidising agents even though it is in stable configuration f zero
why beryllium show simmillarity with Alumminium
Electromeric effect (1) The occurrence of movement of electrons from one atom to other in multi bonded atoms at the demand of attacking reagent is known as electromeric effect.
what is equevalent weight of Nacl
a. 'Hormones are chemical messengers.' Explain? b. Name the main disease caused due to lack of the vitamin and its source in each of the following: A, B 6 and E.
which is the main postulate of bohr''s model of atom
Point of differences between boron and silicon
If you were to combine 120.0 mL of 0.100 M HCL with 3.25 grams of calcium metal, how many grams of hydrogen gas would you make?
what is resonence effect on acidity
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