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प्रश्न
Give the group number of following elements present in periodic table
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उत्तर
- Magnesium : IIA
- Carbon : IVA
- Sulphur : VIA
- Neon : Zero
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संबंधित प्रश्न
Why do all the elements of the same group have similar properties?
What happens to the number of valence electrons in the atoms of elements as we go down in a group of the periodic table?
What is a group in the periodic table?
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.
State the main aim of classifying elements. Which is the more fundamental property of elements that is used in the development of Modern Periodic Table? Name and state the law based on this fundamental property. On which side of the periodic table one can find metals, non-metals and metalloids?
Give the symbol and valency of the following element and radical.
Sodium
The arrangement of elements in the Modem Periodic Table is based on their ______
Which of the given elements A, B, C, D and E with atomic number 2, 3, 7, 10 and 30 respectively belong to the same period?
Which of the following elements will form an acidic oxide?
Match the atomic number with the following:
An element of group 2.
