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प्रश्न
What do you understand by typical elements?
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उत्तर
The third period elements, Na, Mg, Al, Si, P and Cl summarize the properties of their respective groups and are called typical elements.
संबंधित प्रश्न
Fill in the blank:
The modern periodic table consists of ……………. periods.
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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−
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−
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−
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A
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−
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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?
Consider the following elements:
Na, Ca, Al, K, Mg, Li
Which of these elements belong to the same period of the periodic table?
What is the fundamental difference in the electron configurations between the group 1 and group 2 elements?
What are horizontal rows and vertical columns in a periodic table known as?
The arrangement of elements in the Modem Periodic Table is based on their ______
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?
State the group and period, of the element having three shells with three electrons in valence shell.
Name the following metal:
A metal present in period 3, group 1 of the periodic table.
An element has 2 electrons in its N shell.
State its position in periodic table.
