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B. The atomic number and mass number of atoms of four elements are giElementAtomic number Mass numberA11B1428С1020D1224based on this name the followingi. A metal.ii. An inert gasiii. A metalloidiv. The element contains isotopesDemocnot |
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Answer» Answer: I) Metal- D(12, 24) iii) A metalloid- B(14, 28) |
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