Classification of Elements: s, p, d and f-Blocks

Which of the following atoms, in its ground state, has the highest nuber of unpaired electrons?

Which of the following element, has the highest number of unpaired electrons in its ground state?

The 15 elements have been placed in VI period and third group of the periodic table. They are called

The electronic configuration of an element is $\left[\mathrm{Kr}\right] 5{\mathrm{s}}^2 4{\mathrm{d}}^{10} 5{\mathrm{p}}^6 6{\mathrm{s}}^2 4{\mathrm{f}}^{14} 5{\mathrm{d}}^2$. The element belongs to

The dipositive ions can be formed by the atom with which of the following configurations? $\left(\mathrm{n}>1\right)$

Which of the following groups of the periodic table contains only metals?

Which of the elements, whose atomic number are given below, cannot be accommodated in the present set up of the long form of the periodic table?

Arrange the following in proper order of atomic size

Find out the sum of all the digits of atomic number of the element $"\mathrm{Uuq}"$. (If your answer is greater than $9$, then add all the digits.) For example, Ans. $12$ then fill $1+2=3$ Ans. $123$ then, fill $1+2+3=6$ and ans $20$ then, fill $2+0=2$.

The atomic number of element $\mathrm{Unq}$ is

Which of the elements, whose atomic number are given below, cannot be accommodated in the present set up of the long form of the periodic table?

The IUPAC name for the element with the atomic number $120$ is _____.

Element with valence shell electronic configuration as $(\mathrm{n}-1){\mathrm{d}}^5 {\mathrm{ns}}^1$ is placed in which of the following group and block of elements?

The atomic number of element $\mathrm{Unq}$ is

Which of the elements, whose atomic number are given below, cannot be accommodated in the present set up of the long form of the periodic table?

IUPAC name of the element with atomic number $110$ is _____

An element has its electronic configuration as 2, 8, 2. To which period does this element belong?

In Lanthanoid series, the element well known to exhibit $+4$ oxidation state is

To which group and period does the element belong if the electronic configuration of an element in its $-2$ oxidation state is $1 {\mathrm{s}}^{2}2 {\mathrm{s}}^{2}2{\mathrm{p}}^{6}3 {\mathrm{s}}^{2}3{\mathrm{p}}^6?$

Which among the following is a metalloid?