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Question
State the number of elements in Period 1 of the Periodic Table.
Solution
Period 1 is the shortest period has 2 elements
RELATED QUESTIONS
What is the significance of atomic number in the modern classification of elements? Explain with the help of an example.
How were the positions of isotopes of an element decided in the modern periodic table?
Two elements P and Q belong to the same period of the modern periodic table and are in group 1 and group 2, respectively. Compare the following characteristics in the tabular form.
- Number of electrons in their atoms
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- Their metallic characters
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- Formulae of their chlorides
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Write an Explanation.
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