please answer 33, 34, and 35 no.
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calcium has the atomic no of 20 which belongs to the group of alkali earth metals.
oxygen and sulphur belongs to the group of oxygen.
electronic configuration of silicon and phosphorus respectively is 2,8,4 and2,8,5.Both are non -metals.
oxygen and sulphur belongs to the group of oxygen.
electronic configuration of silicon and phosphorus respectively is 2,8,4 and2,8,5.Both are non -metals.
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