Chemistry, 19.10.2021 23:40 stephanieb75

11. Atomic numbers of elements A, B, C and D are 3, 9, 11 and 17 respectively. Identify two pairs amongst the elements which have similar chemical properties. Which pair is likely to be metallic in character? fleaz helf me ||_|| I'm crying

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11. Atomic numbers of elements A, B, C and D are 3, 9, 11 and 17 respectively. Identify two pairs am...