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The two electrons in K sub-shell will differ in : (1)Principal quantum number (2)Azimuthal quantum number (3)Magnetic quantum number (4)Spin quantum number Ans:Spin
Till 20elememts write the no of electrons in outermost shell.if less than 4 then this is the valency otherwise subtract from 8
what is oxidation?
Write down the reactions taking place in different zones in the blast furnace during the extraction of iron.
Electrovalent compound's: (1) Melting points are low (2) Boiling points are low (3) Conduct current in fused stat (4) Insoluble in polar solvent Ans: Conduct curre
Isoelectronic species are: (1) K + Cl - (2) Na + Cl - (3) Na Ar (4) Na + Ar Ans: K + Cl -
give an example of tri atomic gass
what groups comprise each block of elements(s,p.d and f blocks)in the periodic table
I would like to know why you stop heating the sulphuric acid before placing in the copper oxide in making copper sulphate crystals
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