The characteristics of elements \( \mathrm{X}, \mathrm{Y} \) and \( \mathrm{Z} \) with atomic nu...

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The characteristics of elements \( \mathrm{X}, \mathrm{Y} \) and \( \mathrm{Z} \) with atomic numbers, respectively, 33, 53 and 83 are:
(a) \( \mathrm{X} \) and \( \mathrm{Y} \) are metalloids and \( \mathrm{Z} \) is a metal.
(b) \( \mathrm{X} \) is a metalloid, \( \mathrm{Y} \) is a non-metal and \( \mathrm{Z} \) is a metal.
(c) X, Y and Z are metals.
(d) \( \mathrm{X} \) and \( \mathrm{Z} \) are non-metals and \( \mathrm{Y} \) is a metalloid.
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