Electronic Configurations and Types of Elements

Arrange the following in proper order of atomic size

The element with atomic number $117$ if discovered would be placed in _____(halogen family/alkaline earth family).

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?

Among the elements from atomic number $1$ to $36$, the number of elements which have an unpaired electron in the $\mathrm{s}$-subshell is $6$.

The element with atomic number $117$ if discovered would be placed in halogen family.

Name the following:

Zero group elements.

Elements which generally exhibit variable oxidation states and form colored ions are

Transition elements are coloured

Among the elements from atomic number $1$ to $36$, the number of elements which have an unpaired electron in the s-subshell is

Which of the following pairs contain metalloid elements in the periodic table ?

The element with atomic number $117$ if discovered would be placed in

The element with atomic number $113$ has recently been discovered. Its electronic configuration is similar to that of

Which pair of atomic numbers represents s-block elements?

Which of the following sets represents a collection of isoelectronic species? (Atomic numbers are: Caesium = $55$, Bromine = $35$)

Arrange the following in proper order of atomic size

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?

Which of the following pairs contain metalloid elements in the periodic table?

Elements having _____ incomplete outermost subshells are called inner transition elements.(two/three)

A mixture of sulphur dioxide gas and oxygen gas react to form sulphur trioxide gas in the presence of _____.

Metals are