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Question
Give reason for the following:
Inert gases do not form ion.
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Solution
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.
RELATED QUESTIONS
Which of the following statement about the modern periodic table is correct?
(a) It has 18 horizontal rows known as periods.
(b) It has 7 vertical columns known as periods.
(c) It has 18 vertical columns known as groups.
(d) It has 7 horizontal rows known as groups.
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.
Name the metals in the first twenty elements.
Answer the following in respect of element `31/15 P `
To which group and period does it belong?
Fill in the blank:
The horizontal rows in the periodic table are called _____________.
Give the symbol and valency of the following element and radical.
Carbonate
Compare Modern Periodic Law with Mendeleev's Periodic Law.
Distinguish between:
Group 17 - Group 18
Which of these belong to the same period?
| Element | A | B | C |
| Atomic number | 2 | 10 | 5 |
Which one of the following elements exhibit maximum number of valence electrons?
