|
Explain the important general characteristics of groups in modem periodic table in brief
|
|
0
|
1219
|
August 10, 2016
|
|
What are the major differences between metals and non-metals?
|
|
0
|
2853
|
August 10, 2016
|
|
Write the general outer electronic configuration of s, p, d, f block elements
|
|
0
|
15148
|
August 10, 2016
|
|
A, B, C, D and E have the following electronic configuration:
|
|
1
|
622
|
August 10, 2016
|
|
The elements, Z = 107 and Z = 109 have been made recently, element Z = 108 has not yet been made
|
|
0
|
749
|
August 10, 2016
|
|
Account for the fact that the fourth period has 18 and not 8 elements
|
|
0
|
2873
|
August 10, 2016
|
|
Distinguish between s and p block elements
|
|
0
|
2742
|
August 10, 2016
|
|
Two elements x and y have atomic numbers 36 and 58 respectively. On the basis of electronic configuration predict the following :
|
|
1
|
2343
|
August 10, 2016
|
|
Describe the nature of oxides formed by the extreme left elements of the s-block and elements on extreme right of the p-block
|
|
0
|
1726
|
August 10, 2016
|
|
What is meant by Lanthanoids and Actinoids?
|
|
0
|
529
|
August 10, 2016
|
|
To which series do man-made elements belong?
|
|
0
|
2494
|
August 10, 2016
|
|
In terms of electronic configuration, what the elements of a given period and a given group have in common?
|
|
0
|
2076
|
August 10, 2016
|
|
Name the group of elements classified as s-, p-, d-blocks
|
|
0
|
1796
|
August 10, 2016
|
|
Predict the position of die element in the periodic table satisfying the electronic configuration (n -1) ${{d}^{1}}$n${{s}^{2}}$ for n = 4
|
|
0
|
687
|
August 10, 2016
|
|
An element is present in the third period of p- block
|
|
1
|
2842
|
August 10, 2016
|
|
In the modern periodic table, the period indicates the value of
|
|
1
|
987
|
August 10, 2016
|
|
Write the atomic number of the element present in the third period and seventeenth group of the periodic table
|
|
0
|
1432
|
August 10, 2016
|
|
In terms of period and group where would you locate the element with Z = 114?
|
|
0
|
1249
|
August 10, 2016
|
|
On the basis of quantum numbers, justify that the sixth period of the periodic table should have 32 elements
|
|
0
|
4589
|
August 10, 2016
|
|
Why do elements in the same group have similar physical and chemical properties?
|
|
0
|
1369
|
August 10, 2016
|
|
Use the periodic table to answer the following questions?
|
|
1
|
1007
|
August 10, 2016
|
|
In what respects the Mendeleev's classification is superior to the other classification given earlier?
|
|
0
|
1284
|
August 10, 2016
|
|
Describe in brief Lothar Meyer's classification of elements
|
|
0
|
3435
|
August 10, 2016
|
|
Describe the theory associated with the radius of an atom as it:
|
|
1
|
1036
|
August 10, 2016
|
|
All transition elements are d-block elements but all d-block elements are not transition metals. Explain
|
|
0
|
12003
|
August 10, 2016
|
|
Why do elements in the some group have similar physical and chemical properties?
|
|
0
|
362
|
August 10, 2016
|
|
What is periodic classification of elements?
|
|
0
|
376
|
August 10, 2016
|
|
What is the basic difference in approach between Mendeleev Periodic Law and the Modem Periodic Law
|
|
0
|
2848
|
August 10, 2016
|
|
Which important property did Mendeleev use to classify the elements in his periodic table and did he stick to that?
|
|
0
|
2868
|
August 10, 2016
|
|
What is the basic theme of organisation in the periodic table?
|
|
0
|
1266
|
August 10, 2016
|