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प्रश्न
What is the major characteristic of the first elements in the periods of the periodic table? What is the general name of such elements?
उत्तर
The first element in every period of the periodic table have 1 valence electron. The elements are known as alkali metals.
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संबंधित प्रश्न
In the Modern Periodic Table, which are the metals among the first ten elements?
Correct the statement.
Copper and zinc are representative elements.
Name the type of elements which have outermost shell incomplete.
Arrange the elements of second and third periods in increasing order of their atomic size.
Third Period.
What would be the correct order if Zn, Fe, Al and Cu are arranged in increasing order of reactivity?
State the modern periodic law.
What is meant in the periodic table by a period?
Give the symbol and valency of the following element and radical.
Zinc
Give the symbol and valency of the following element and radical.
Hydroxide
Complete the following flow chart.
