Question
How many periods are there in the Mendeleev’s periodic table –
- 7
- 10
- 6
- 14
Answer
(a) 7
Explanation :
There are 7 periods in Mendeleev’s periodic table. The table is arranged in rows and each row is called a period.
Question
How many periods are there in the Mendeleev’s periodic table –
Answer
(a) 7
Explanation :
There are 7 periods in Mendeleev’s periodic table. The table is arranged in rows and each row is called a period.
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