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प्रश्न
Name the type of elements which have two electrons in the outermost orbit.
उत्तर
Alkaline Earth metals
संबंधित प्रश्न
Which of the following statement is correct in regard to the classification of elements?
(a) Elements in modern periodic table are arranged on the basis of increasing atomic masses.
(b) Elements in Mendeleev's periodic table are arranged on the basis of increasing atomic numbers.
(c) In modern periodic table, the element nickel of lower atomic mass is kept before the element cobalt of higher atomic mass.
(d) In modern periodic table, the isotopes of chlorine having different atomic masses are kept in the same group.
The modern periodic table was prepared by ______.
State how the valency of elements varies in a group of the periodic table?
How many periods and groups are there in the modern periodic table?
Name the cation and the anion in the salt – calcium sulphate
Give the chemical formula of ammonium sulphate
State the number of elements in Period 1 of the Periodic Table.
State the number of elements in Period 3 of the Periodic Table.
Which one of the following elements exhibit maximum number of valence electrons?
Answer the following in respect of element \[\ce{_16^32S}\].
Give its electronic configuration.
