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प्रश्न
Name the type of elements which have outermost shell complete.
उत्तर
Noble gases
संबंधित प्रश्न
How does the tendency of elements to gain electrons change as we move from left to right in a period? State the reason of this change.
How were the positions of isotopes of an element decided in the modern periodic table?
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.
Which element has two shells, both of which are completely filled with electrons?
Give the group number of following elements present in periodic table
State the modern periodic law.
What are the elements.
The groups 1 and 2 constitute the _______ block.
Complete the following flow chart.
An element which is an essential constituent of all organic compounds belongs to
