Question

(xix) What are s-block elements?
(xx) How many groups are present in s-block?
(xxi) Write down general electronic configuration of s-block elements.
(xxii) How many valence electrons are present in alkaline earth metals?
(xxiii) Give an example of alkali metal​

Answer 1

Answer:

1 the elements whose valence electron goes into the s - subshell are called s block elements

2. 2

3. ns1-2

4. 2

5. berilium,magnisum,calcium etc.