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SSC GD Constable 2021 · Question 220 of 377

Which is the element having the highest atomic mass among the following?

  1. AMagnesium
  2. BCalciumCorrect
  3. CChlorine
  4. DSulphur

Answer: B. Calcium

Explanation

The correct answer is Calcium. Key Points Calcium has the highest atomic weight among all others. Calcium with atomic number 20 is represented in the periodic table with the symbol Ca. It has an atomic weight of 40 g mol-1. Calcium (Ca) is a vital element that aids our bones stay tough and is capable of supporting our load. Calcium is also used by our nervous system to help transmit impulses through our bodies. The element is the fifth most abundant metal in the planet’s crust (4.1%). It has a solid state at normal temperature. Additional Information Magnesium It has a symbol ofMg Atomic Number of Magnesium12 The Atomic Mass of magnesium is24.305. Chlorine It has a symbol ofCl. Atomic Number of Chlorine17. Atomic Mass of Chlorine35.45. Sulphur It has the Symbol of S. It has atomic Number 16. It has an atomic Mass of32.06.

Source: SSC GD Constable 2021 Prev. Year Paper (2021-11-29 Shift 1) English — Prepp (with solutions) · reliable-secondary

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