Question

How do the following properties of group I elements vary with increase in atomic number?
i) Density ii) Ionisation enthalpy ii) Metallic character​

Answer 1

Hey mate...... Here is the correct answer :

if the atomic number of any element increases then the density of that atom will increase and the metallic character can increase as well as decrease because Lithium has its atomic number 3 and it is a metal while fluorine has its at atomic number 9 and it has a low metallic character while the sodium has its and atomic number 11 and has a high metallic character so it can not depend on the atomic number of any element that is it a metal or a nonmetal

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