Elements having 5, 6, 7 valency electrons are
- P, S, Cl
- P, Cl, Na
- P, Cl, S
- P, S, Na
The Correct Option is A
Solution and Explanation
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B. $CsI$ is highly soluble in water.
C. Lithium carbonate is highly stable to heat.
D. Potassium dissolved in concentrated liquid ammonia is blue in colour and paramagnetic.
E. All the alkali metal hydrides are ionic solids.
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Electrons in a cathode ray tube have been emitted with a velocity of $1000\, m s ^{-1}$ The number of following statements which is/are true about the emitted radiation is _______ Given : $h =6 \times 10^{-34} J s , m _e=9 \times 10^{-31} kg$
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