Question

Q1: Classify the electronic Configuration of the following elements?
I. 1s2 2s2 2p6 3s2 3p6
II. 152 252 2p 3s 3p5
III. 1s2 2s2 2p6 3s2 3p2
IV. 152 2s22p6 351
V. 1s2 2s2 2p3

Q2: Alkali metals belong to s-block in the periodic table, why?

Q3: Write the electronic configuration of the following element, and draw electron dot structure to represent its electrons
a) Al
b) S
c)K
d) O
e) Kr

Q4: Write 2 ways in which isotopes of an element differ?

Q5: Discuss how the trends of the following physical properties changes:
Explain by giving example:
1) Shielding Effect
2) Atomic Size​

Answer 1

Answer:

thanks for the points thanks for the points