Classification of Elements and Periodicity in Properties · NEET Preparation Chemistry
Which of the following pairs has both members belonging to the same period of the periodic table?
Practice question from Classification of Elements and Periodicity in Properties (NEET Preparation Chemistry), with the correct answer and a step-by-step solution.
easy · MCQ · Q-10F413
Which of the following pairs has both members belonging to the same period of the periodic table?
- A.Na, Ca
- B.Na, Cl
- C.Mg, ClCorrect answer
- D.Cl, Br
Solution
Sodium (Na, ) and Magnesium (Mg, ) belong to period 3. Chlorine (Cl, ) also belongs to period 3. Thus, Mg and Cl both belong to period 3. Ca is in period 4, and Br is in period 4.
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