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प्रश्न
Name the type of elements which have two electrons in the outermost orbit.
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उत्तर
Alkaline Earth metals
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संबंधित प्रश्न
Fill in the following blank with suitable word:
Group 18 elements are called ...............
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.
Name two elements in halogens.
Name the noble gas with 3 shells.
Give the symbol and valency of the following element and radical.
Sodium
State the number of elements in Period 1 of the Periodic Table.
p-block is composed of groups 1 and 2.
What are groups and periods in the modern periodic table?
The element with atomic number 14 is hard and forms acidic oxide and a covalent halide. To which of the following categories does the element belong?
Answer the following in respect of element \[\ce{_16^32S}\].
To which group and period does it belong?
