Advertisements
Advertisements
Question
What is isobar? Give an example.
Advertisements
Solution
Isobars are the atoms of different elements having the same mass number A, but different atomic number Z.
For example: \[\ce{_16^40S, _17^40Cl, _18^40Ar, _19^40K, and _20^40Ca}\] are isobars having same mass number 40 and different atomic number.
APPEARS IN
RELATED QUESTIONS
The nucleus is approximately spherical in shape. Then the surface area of nucleus having mass number A varies as ______.
A radioactive nucleus (initial mass number A and atomic number Z) emits 2α and 2 positrons. The ratio of a number of neutrons to that of protons in the final nucleus will be ______.
A radiative element has N0 number of nuclei at t = 0. The number of nuclei remaining after half of a half-life (that is, at time t = `1/2 "T" _(1/2)`).
What is isotone? Give an example.
What is binding energy of a nucleus? Give its expression.
Calculate the energy equivalent of 1 atomic mass unit.
Give the physical meaning of binding energy per nucleon.
Explain the variation of average binding energy with the mass number using a graph and discuss about its features.
Calculate the mass defect and the binding energy per nucleon of the \[\ce{^108_47Ag}\] nucleus. [atomic mass of Ag = 107.905949].
Show that the mass of radium \[\ce{^226_88Ra}\] with an activity of 1 curie is almost a gram. Given T1/2 = 1600 years.
