Home
Class 11
CHEMISTRY
How many elements would be in the third ...

How many elements would be in the third period of the periodic table if the spin quantum number `m_(s)` could have the value `-(1)/(2),0 and +(1)/(2)`?

Text Solution

Verified by Experts


Number of elements `=3s(3e)`
`3p(9e)`
`3d(15e)`
`therefore27` elements will be there in third period of periodic table.
Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE

    OP TANDON|Exercise Miscellaneous Numerical Examples|12 Videos

  • ATOMIC STRUCTURE

    OP TANDON|Exercise Practice Problems|88 Videos

  • ATOMIC STRUCTURE

    OP TANDON|Exercise Solved Examples|10 Videos

  • AROMATIC HYDROCARBONS (ARENES)

    OP TANDON|Exercise EXAMPLES|24 Videos

  • CHARACTERISATION OF ORGANIC COMPOUNDS

    OP TANDON|Exercise Passage-2|5 Videos

Similar Questions

Explore conceptually related problems

Comprehension # 1 Read the following rules and answer the questions at the end of it. Electrons in various suborbits of an filled in increasing order to their energies. Pairing of electrons in various orbitals of a suborbit takes places only after each orbital is half-filled. No two electrons in an atom can have the same set of quantum number. How many elements would be in the second period of the periodic table if the spin quantum number (m_(s)) could have the value of -(1)/(2),0,+(1)/(2) ?

How many elements are there in the third period ?

How many elements can be there in the third period ?

How many elements are there in the 5^(th) period of modern periodic table ?

How many elements are there in \(6^{ th }\) period of periodic table?

How many element are present in the third period of the p-block elements ?

Third peroid of th periodic table contains the following number of elements.

How many elements are accommodated in the fifth period of the long form of the periodic table ?