MCQ
The cation of an element has:
- AThe same number of electrons as its neutral atom.
- BMore electrons than a neutral atom.
- CLess protons than a neutral atom.
- DLess electrons than a neutral atom.
Explanation:
The cation of an element has less electrons than a neutral atom.
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A group of related genera, with still less number of similarities as compared to the genus and species, constitutes.
Column I | Column II | ||
A. | Gel | I. | Rubber |
B. | Foam | II. | Face cream |
C. | Emulsion | III. | Coloured gemstone |
D. | Solid sol | IV. | Butter |
E. | Aerosol | V. | Cloud |