p block, Chemistry

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diamond is covalent.yet it has high melting point.why?

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Low value of electrode potential(Mn3+/Mn2+) for scandium shows Sc3+ is stable while comparitively low value of electrode potential(Mn3+/Mn2+) for vanadium shows Vn2+is stable.Why?

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In the addition of the hydrogen, halide to unsaturated alkenes in the presence of peroxides the halide adds to the carbon atom correlated to more number of hydrogen atoms and hydro

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Which type of bond is formed between similar atoms: (1) Ionic    (2) Covalent      (3) Coordinate               (4) Metallic Ans:  Covalent

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There are five d-orbitals totally existed. These are designated as  d xy ,  d yz , ,  d xz ,  and . The shapes of these orbitals are explained below:      The three or

Be2+ is isoelectronic with, Be 2+ is isoelectronic with: (1) Mg 2+    ...

Be 2+ is isoelectronic with: (1) Mg 2+                               (2) Na +    (3) Li +                    (4) H + Ans: Li +

Which reactions can occur during further oxidation, a) Write down the balan...

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Jim, If 4.5 grams of Nitrogen reacted with 2.6 grams of Hydrogen, identify ...

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