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CHHAYA PUBLICATION-s-BLOCK ELEMENTS -EXERCISE (FILL IN THE BLANKS)
- has no d-orbital in its valence shell.
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- reacts with nitrogen to give nitrides.
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- imparts golden-yellow colour to the flame.
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- Potassium, on reaction with dioxygen produces .
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- The outermost electronic configuration of the radioactive alkali metal...
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- The bicarbonate salt of does not exist in solid state.
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- lonic conductance of Li^(+) ion in aqueous solution is lowest since it...
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- ion has maximum polarising power.
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- is the most abundant alkali metal in earth's crust.
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- The basicity of the alkali metal hydroxides down the group.
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- is used as a source of oxygen in submarins, space shuttles and oxygen ...
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- The alkali metals combine with mercury to give
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- The alkali metals exist as lattices having co-ordination number 8.
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- Lil is soluble than KI in ethanol.
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- K2CO3 cannot be produced by Solvay process because does not get preci...
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- and do not responsd to flame test.
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- ion exhibits maximum tendency to form complexes.
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- Only can displace hydrogen from dilute HNO3.
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- Common salt gets wet due to presence of as impurity.
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- Hydration enthalpy of Mg^(2+) is than that of Ca^(2+).
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