Why ease to liquefy noble gases increases with increase in atomic number?

Answer the following with relevant reason. (i)Xenon has closed shell configuration but is known to give compounds with fluorine. (ii)The boiling points of noble gases increase with increase in atomic number. (iii)Why helium and neon do not form clathrate compounds with quinol ?

Following statements regarding the periodic trends of chemical reactivity of the alkali metals and the halogens are given. Which of these statements gives the correct picture: A)In alkali metals the reactivity increases but in the halogens it decreases with increase in atomic number down the group B)The reactivity decreases in the alkali metals but increases in the halogens with increases in atomic number down the group. C)In both the alkali metals and the halogen the chemical reactivity decreases with increases in atomic number down the group D)Chemical reactivity increases with increases in atomic number down the group in both the alkali metals and halogens.

Assertion :Solubility of noble gases in water decreases with increases in atomic size Reason :Solubility of noble gases in water is due to instantaneous dipole induced dipole interaction

Assertion : Binding energy increase with increases atomic mass number. Reason : Density of nucleus increase with increases in atomic mass number .

For the alkali metals, which of the following increase with increasing atomic number?

Which of the following properties of elements of alkaline earth metal does not increase with increasing atomic number ?

Due to lanthanoid contraction, basic strength of oxides and hydroxides of lanthanoids increases with ul"increase in atomic number."

The electropositive character of alkali metals decreases with an increase in atomic number. True or False

Why are the noble gases monoatomic?

Which of the following property of alkali metals/alkali metal salt increase with increase in atomic number ?