GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the group and period of the element sodium?
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Group 1 Period 1
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Group 7 Period 1
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Group 4 Period 3
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Group 1 Period 3
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Explanation:
Detailed explanation-1: -Metal present in group 1 and period 3 is sodium. The symbol for sodim is Na. Its electronic configuration is 2, 8, 1. As it has 1 valence electron it belongs to group 1 and it has 3 electronic shells filled hence belongs to period 3.
Detailed explanation-2: -So, Sodium ( Na ) is the metal present in period 3, group 1 of the periodic table.
Detailed explanation-3: -The element belongs to the 3rd period and group 1 of the periodic table is Sodium (Na) having atomic number 11.
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