If spins of "e" assumed to be 3 three values then no of elements are placed in `3^(rd)` period

Metalloid in 3rd period.

In Mendeleev's periodic table, gaps were left for the elements to be discovered later. Which of the following elements found a place in the periodic table later ?

In Mendeleev's periodic table, gaps were left for the elements to be discovered later. Which of the following elements found a place in the periodic table later ?

With reference of first three periods of the periodic table. Metalloid in 3rd period

The total number of elements in period 3 of the periodic table is:

Name or state with reference to the elements of the modern periodic table. The character of the hydroxide of the element in period-3 group 13 [IIIA].

Which orbitals are filled with electrons in 3rd period?

Name or state the following with reference to the element of the first three periods of the periodic table. Non-metallic element present in Period 3 of Groups 15 and 16.

If the atomic number of an element is 33, it will be placed in the periodic table in the

Name or state with reference to the elements of the modern periodic table. The formula of the sulphite of the element in period-3, group 1 [IA].