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प्रश्न
Give reason for the following:
Inert gases do not form ion.
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उत्तर
Inert gases do not have the ability to generate ions due to their entirely filled octet. They are extremely stable. As a result, they lose no electrons and neither gain.
संबंधित प्रश्न
Explain why, the first period of the periodic table has only two elements whereas second period has eight elements
In the modern Periodic Table, why does cobalt with higher atomic mass of 58.93 appear before nickel having lower atomic mass of 58.71?
The following diagram shows a part of the periodic table in which the elements are arranged according to their atomic numbers. (The letters given here not the chemical symbols of the elements):
| a 3 |
b 4 |
c 5 |
d 6 |
e 7 |
f 8 |
g 9 |
h 10 |
|
| i 11 |
j 12 |
k 13 |
l 14 |
m 15 |
n 16 |
o 17 |
p 18 |
(i) Which element has a bigger atom, a or f?
(ii) Which element has a higher valency, k or o?
(iii) Which element is more metallic i or k?
(iv) Which element is more non-metallic, d or g?
(v) Select a latter which represents a metal of valency 2.
(vi) Select a letter which represents a non-metal of valency 2.
The elements A, B, C and D belong to groups 1, 2, 14 and 17 respectively of the periodic table. Which of the following pairs of elements would produce a covalent bond?
(i) A and D
(ii) C and D
(iii) A and B
(iv) B and C
(v) A and C
Name the type of elements which have two outermost shell incomplete.
Name the type of elements which have one electron short of octet.
What would be the correct order if Zn, Fe, Al and Cu are arranged in increasing order of reactivity?
Give the chemical formula of sodium hydroxide
Explain structure of modern periodic table in short.
The element with atomic number 14 is hard and forms acidic oxide and a covalent halide. To which of the following categories does the element belong?
