`"_8^16 O` and `"_8^18 O` are examples of ...........

{2,4,6,8,10} is an example of…………….set.

Neutrons in ._(8)^(16)O are

PbS+4H_(2)O_(2)toPbSO_(4)+4H_(2)O . The reaction of H_(2)O_(2) with is an example of . .. . reaction.

The radius of the oxygen nucleus ._(8)^(16)O is 2.8xx10^(-15)m . Find the radius of lead nucleus ._(82)^(205)Pb .

If 3, 8, x and 16 are in proportion the value of x is

Decomposition of H_(2)O_(2) is an example of