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प्रश्न
State the number of elements in Period 2 of the Periodic Table.
How many elements are there in Period 2.
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उत्तर
Period 2 is a short period that has 8 elements.
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संबंधित प्रश्न
Why do all the elements of the same group have similar properties?
Give two example of group 1 elements.
Explain why, the noble gases are placed in a separate group.
What do you understand by typical elements?
Name the type of elements which have two outermost shell incomplete.
The electronic configuration of an element T is 2, 8, 8, 1.
What is the period number of T?
Give the symbol and valency of the following element and radical.
Sulphite
Write an Explanation.
Period
Give the criteria on the basis of which elements are placed (i) in a group and (ii) in a period in the modern periodic table. The atomic number of an element is 16. According to the criteria, in which group and period it should be placed?
Name two elements that you would expect to show chemical reactions similar to calcium. What is the basis of your choice?
