MCQ
The rate at which substances react depends on their
- AAtomic weight
- BMolecular weight
- CEquivalent weight
- ✓Active mass
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| Column $-I$ | Column $-II$ |
| $(a)$ $4s$ | $(p)$ Circular orbit around nucleus |
| $(b)$ $4p$ | $(q)$ Non directional orbital |
| $(c)$ $1s$ | $(r)$ Angular momentum $=2h/\pi $ |
| $(d)$ $3d$ | $(s)$ Radial node is zero |