Atoms `underset(6)``Coverset(13)` and `underset(8)`O`overset(17)` are related to each other as:-
a) Isotones
b) Isoelectronic
c) Isodiaphers
d) Isosters

There are two elemetns overset(26)underset(13)A and overset(26)underset(14)B .Find the number of sub atomic particles in each of these.What is the relations between these atoms?

The following nuclear reaction is an example of underset( 6) overset(12)(. ) C + underset(2) overset(4) (. ) H to underset( 8) overset( 16) (. ) O + energy

Convert each of the following complete structural formula into condensed formulas. (i) H-O-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)N-H (ii) H-underset(H)underset(|)overset(H)overset(|)C-C-=C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-H (iii) H-underset(H)underset(|)overset(H)overset(|)C-overset(O)overset(||)C-underset(H)underset(|)overset(H)overset(|)C-H (iv) H-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(O)underset(darr)N=O Strategy: Omit some or all of the dashes (covalent bonds) and indicate the number of identical atoms/groups by a suitable subscript.

Write the names of the following compounds. (a) H-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-overset(O)overset(||)C-OH , (b) H-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-C-=C-H (c ) H-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-overset(H)overset(|)C=O , (d) H-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-OH

The structural formula of an ester is: H-underset(H)underset(|)overset(H)overset(|)(C)-overset(O)overset(||)(C)-O-underset(H)underset(|)overset(H)overset(|)(C)-underset(H)underset(|)overset(H)overset(|)(C)-H Write the structural formula of the corresponding alcohol and acid.

Carbon has the unique property to form bonds with other atoms of carbon. -overset(|)(C)-overset(|)underset(-overset(|)underset(|)(C)-)(C)-overset(|)(C)- Name the characteristic property of carbon as depicted in the fig. A