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  1. E

    Chemistry: Post your doubts here!

    why does K+ have a greater ionic radius than Na+?
  2. E

    Chemistry: Post your doubts here!

    CAN SOMEONE PLEASE HELP ME!! :) Group 1 nitrates decompose on heating to produce oxygen and metal nitrite, MNO2 (M = Na, K, Rb or Cs). When a particular Group 1 nitrate, MNO3, was heated until no further change occurred, it lost 10.85% of its mass. Calculate the Ar of M and hence identity it.
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