Set 1

Mg > Sr

Ba > Mg

Lu > Ce

CI > I

$Na^{+}$ is smaller than Na atom

$Na^{+}$ is larger than Na atom

$Cl^{-1}$ is smaller than Cl atom

$Cl^{-}$ (ion) and Cl (atom) are equal in size

All lanthanides are present in the same group

All halogens are present in the same period

All the alkali metals are preset in the same group

All the noble gases are present in the same period

All the metals are good conductor of electricity

All the metals are good conductor of heat

All the metals form positive ion

All the metals form acidic oxides

Hydrogen resembles in properties with I-A, IV-A and V-A elements.

Hydrogen resembles in properties with II-A, IV-A and V-A elements.

Hydrogen resembles in properties with II-A, IV-A and VI-A elements.

Hydrogen resembles in properties with II-A, III-A and VII-A elements.

The ionization energy of calcium is lower than that of barium.

The ionization energy of calcium is lower than that of magnesium.

The ionization energy of calcium is higher than that of beryllium.

The ionization energy of calcium is lower than that of strontium.

Electron affinity is a measure of energy required to remove the electron.

Ionization energy is a measure of energy asked by removing an electron

Electron affinity is a measure of energy required to excite an electron.

Electron affinity is a measure of energy released by removing an electron.

Metallic character increases down the group.

Metallic character increases along a period.

Metallic character decreases along a period.

Metallic character remains the same down the group.

Covalent character of metal halides increases from left to right in a period.

Boiling points of Group IV-A hydrides decrease down the group.

Ionic character of hydrides increases from left to right in a period.

The basicity of group II-A oxides decreases on descending the group.

Atomic mass

Mass number

Nuclide number

Atomic number