Question
What is adsorption?
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Answer
Adsorption is the phenomenon of accumulation of higher concentration of one substance on the surface of another (in bulk) due to unbalanced/unsatisfied attractive forces on the surface.
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Complete the information about the isotopes of carbon in the following table:
→| Symbol | Atomic Number(Z) | Atomic Mass Number(A) | Neutron Number, N =A-Z | % Abundance | Stability |
| ${ }_6^{12} \mathrm{C}$ or $\mathrm{C}-12$ | 12 | 98.9% | |||
| 6 | 7 | 1.1% | Stable | ||
| ${ }_6^{14} \mathrm{C}$ or $\mathrm{C}-14$ | 6 | 14 | <0.00017% | Radioactive |
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