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प्रश्न
State the number of elements in Period 2 of the Periodic Table.
How many elements are there in Period 2.
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उत्तर
Period 2 is a short period that has 8 elements.
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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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−
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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?
Fill in the following blank with suitable word:
Group 1 elements are called ...............
On which side of the periodic table will you find metals?
What are the advantages of the periodic table?
Write a short note.
Position of isotopes in the Mendeleev’s and the modern periodic table.
How many periods and groups are there in the modern periodic table?
If an element X is placed in group 14, what will be the formula and the nature of bonding of its chloride?
Group 16 elements are collectively called as ______.
- Write the electronic configuration of element X, given by its symbol as under: \[\ce{^40_20 X}\]
- Determine its position in the modem periodic table.
- What is the nature of its oxide?
- Name one other element of its group.
Explain giving reason why although the nuclear charge in atoms increases in moving from left to right in a period as well as in moving from top to bottom in a group in the Modern periodic table, but the size of the atoms does not vary similarly in both situations.
