Multiple choice

The atomic weight of which one of the following metals is less than that of iron?

  1. Chromium

  2. Nickel

  3. Zinc

  4. Copper
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A Correct answer
Explanation

Chromium has an atomic weight of approximately 52, while iron has an atomic weight of approximately 56. The other metals listed all have higher atomic weights: nickel (~59), zinc (~65), and copper (~64). This question tests knowledge of relative atomic masses in the periodic table, with chromium being the lightest among the options.

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