Question:
Which of the following elements belongs to group 2 and sixth period of periodic table?
Which of the following elements belongs to group 2 and sixth period of periodic table?
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Group 2 elements are alkaline earth metals; the one in the sixth period is barium.
Updated On: Oct 1, 2026
- Rubidium
- Strontium
- Caesium
- Barium
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The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept
Group 2 holds the alkaline earth metals: Be, Mg, Ca, Sr, Ba, Ra, going down periods 2 to 7.
Step 2: Detailed Explanation
Counting down the group: Be (period 2), Mg (3), Ca (4), Sr (5), Ba (6), Ra (7).
So the group 2, sixth period element is barium (Ba).
Rubidium (Rb) and caesium (Cs) are group 1 alkali metals, in periods 5 and 6. Strontium is group 2 but sits in period 5.
So only barium fits both conditions.
Final Answer:
Barium is the group 2 element of period 6. This is option (D). \[ \boxed{\text{Barium (D)}} \]
Group 2 holds the alkaline earth metals: Be, Mg, Ca, Sr, Ba, Ra, going down periods 2 to 7.
Step 2: Detailed Explanation
Counting down the group: Be (period 2), Mg (3), Ca (4), Sr (5), Ba (6), Ra (7).
So the group 2, sixth period element is barium (Ba).
Rubidium (Rb) and caesium (Cs) are group 1 alkali metals, in periods 5 and 6. Strontium is group 2 but sits in period 5.
So only barium fits both conditions.
Final Answer:
Barium is the group 2 element of period 6. This is option (D). \[ \boxed{\text{Barium (D)}} \]
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