Question

what is the similarity in the electronic configuration of second alkali metal
​

Answer 1

Answer:

Electronic configuration of Potassium : From the above electronic configurations, we can say that the number of valence electrons of all the elements are same which is 1. Valence electrons are defined as the number of electrons which are present in the outermost shell.

please thanks my answers and mark as brainliest

Answer 2

Answer:

The alkali metals are a group of chemical elements in the periodic table,

• physical and chemical properties:
• shiny.
• soft.
• silvery.
• highly reactive at standard temperature and pressure.
• readily lose their outermost electron to form cations with a charge of +1.