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प्रश्न
What is the number of elements in the 3rd period, of the modern periodic table?
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उत्तर
There are eight elements in the third period.
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संबंधित प्रश्न
Consider the following elements:
Na, Ca, Al, K, Mg, Li
Which of these elements belong to the same group of the periodic table?
Explain why All the elements of a group have similar chemical properties.
How does the electronic configuration of an atom relate to its position in the modern periodic table?
Give the symbol and valency of the following element and radical.
Sulphur [Sulphide]
State the number of elements in Period 1 of the Periodic Table.
Complete the following flow chart.
On moving from left to right in a period in the periodic table, the size of the atom ______
Which of the following statements about the Modern Periodic Table is correct:
“Hydrogen occupies a unique position in Modern Periodic Table”. Justify the statement.
______ group elements are called alkaline earth metals.
