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प्रश्न
State the number of elements in Period 1 of the Periodic Table.
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उत्तर
Period 1 is the shortest period has 2 elements
संबंधित प्रश्न
What are the merits of the modern periodic table of elements?
What are the periods in a periodic table? Give two characteristics of each.
Name an alkali metal in period 3 and halogen in period 2.
How will the tendency to gain electrons change as we go from left to right across a period? Why?
Give the symbol and valency of the following element and radical.
Calcium
Find the correlation:
Mendeleev’s periodic table : atomic mass : : Modern periodic table : _______
Find the correlation:
Group 13 to 18 : p block : : ______ : d block
Find the odd one out and give its explanation.
p-block is composed of groups 1 and 2.
Choose an element from period 3 of modern periodic table that matches the description given below in instance. Give a reason for your choice.
It has a similar structure to diamond.
