Question

why 1 st group elements are more electropositive in their respective period​

Answer 1

Answer:

because they share electrons

Answer 2

Answer:

Hey here is your answer

Explanation:

The loosely held s-electron in the outermost valence shell of these elements makes them the most electropositive metals. They readily lose electron to give monovalent M+ ions. ... The atomic and ionic radii of alkali metals increase on moving down the group i.e., they increase in size while going from Li to CS

@AwMAbhishek