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प्रश्न
Fill in the blank:
The element lithium in the Modern Periodic Table with valency 1+ belongs to the group ______.
उत्तर
The element lithium in the Modern Periodic Table with valency 1+ belongs to the group 1.
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संबंधित प्रश्न
The position of three elements A, B and C in the Periodic Table are shown below –
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Group 16
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Group 17
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A
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B
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C
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(a) State whether A is a metal or non-metal.
(b) State whether C is more reactive or less reactive than A.
(c) Will C be larger or smaller in size than B?
(d) Which type of ion, cation or anion, will be formed by element A?
In the Modern Periodic Table, calcium (atomic number 20) is surrounded by elements with atomic numbers 12, 19, 21, and 38. Which of these have physical and chemical properties resembling calcium?
State how the valency of elements varies in a period of the periodic table?
From the standpoint of atomic structure, what determines which element will be the first and which the last in a period the periodic table?
Write the number of protons, neutrons and electronic configuration of \[\ce{_19^39K, _15^31P}\]. Also state their position in periodic table.
Give the symbol and valency of the following element and radical.
Bicarbonate
What are the periods in a periodic table?
In the modern periodic table, elements are arranged according to their ______
The elements A, B, C, D and E have atomic number 9, 11, 17, 12 and 13 respectively. Which pair of elements belong to the same group?
A part of modern periodic table is given below. On its basis, answer the following questions:
| Group No. → | 1 | 2 | 13 | 14 | 15 | 16 | 17 | 18 |
| Period ↓ | ||||||||
| 2 | A | B | ||||||
| 3 | E | D | F | C |
Which of the element is a Noble gas?
