lithium ,sodium and potassium are placed in one group on the basis of their similar properties of these element

Open in App

Solution

Because they have same number of electrons in their valence shell. They have 1 electron in their valence shell.

Suggest Corrections

Similar questions

Q. The elements calcium, strontium and barium were put in one group and family on the basis of their similar properties.
What were those similar properties?

Q. Elements are classified on the basis of similarities in their properties.

Consider the following elements :

Ca, Cl, Na, I, Li, Ba, Sr, K, Br

Separate these elements into three groups (families) of similar properties. State one property in each case on the basis of which you have made your choice.

Q. Question 4 (a)
Lithium, sodium, potassium are all metals that react with water to liberate hydrogen gas. Is there any similarity in the atoms of these elements?

Q. Arrange the following elements in the increasing order of their atomic radii.
Hydrogen, potassium, sodium, lithium

Join BYJU'S Learning Program