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1. Chemistry assignment
Chepter -1

2. Assignment
 1)Give statement of Hunds rule.
 2)Define only The term:
 A - ionisation potential
 B. - electronegativity
 C - catanation
 D. - electron affinity
 3) Define quantum number :
 A. Principal quantum number (n)
 B. Angular momentum quantum number ‘L ‘
 C. Magnetic quantum number ( m)
 D. Spin quantum number (s)

3.  4) what is diagonal relationship.
 5) Define ionic radii and discuss trend of ionic radii in actions and anions.
 6) List the factors affecting ionisation potential.
 7). List the factors affecting electron affinity and explain any one.
 8). Give reason : IP of a Be is greater than Li.
 9). Write a short note on ‘’ pauli’s exclusion principle.
 10) Discuss about metallic character of alkali and alkaline earth metals.
 11) Explain that van- der – waals radius is greater than the covalent radius.
 12). Write a short note on :
 A- atomic radii
 B- ionisation energy
 C- electronegativity
 D- ionic radii
 E- electron affinity
 13) explain the heisenberg‘s uncertainty principle.