MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping
Menu
Amit Saxena Grade: upto college level
         The statement that is not correct for the periodic classification of element, is 

a. The properties of elements are the periodic functions of their atomic numbers.
b. Non-metallic elements are lesser in number than metallic elements.
c. The first ionization energies of elements along a period do not vary in a regular manner with increase in atomic number.
d. For transition elements the d-subshells are filled with electrons monotonically with increase in atomic number.
3 years ago

Answers : (1)

Jitender Pal
askIITians Faculty
365 Points
										Sol. (a) Correct statement : According to Moseley’s law, the properties of elements are the periodic function of their atomic numbers.

(b) Correct statement : The whole s-block, d-block, f-block and heavier p-block elements are metal.
(c) Correct statement : Trent is not regular, Be has higher first ionization energy than B, nitrogen has higher first ionization energy than oxygen.
(d) Wrong statement : d-subshells are not filled monotonically, regularity break at chromium and copper.
3 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies
  • Complete JEE Main/Advanced Course and Test Series
  • OFFERED PRICE: Rs. 15,900
  • View Details
Get extra Rs. 2,385 off
USE CODE: COUPON10
Get extra Rs. 223 off
USE CODE: COUPON10

Ask Experts

Have any Question? Ask Experts

Post Question

 
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!! Click Here for details