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प्रश्न
An element belongs to the third period and Group IIIA (13) of the periodic table. State: the name of the element.
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उत्तर
The name of the element is Aluminium.
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संबंधित प्रश्न
In the following set of element, one element does not belong to the set. Select this element and state why it does not belong:
Calcium, Magnesium, Sodium, Beryllium
The correct increasing order of the atomic radii of the elements oxygen, fluorine and nitrogen is:
(a) O, F, N
(b) N, F, O
(c) O, N, F
(d) F, O, N
Which one of the following does not increase while moving down the group of the periodic table?
Calculate the valency of element X whose atomic number is 9.
What is meant by periodicity of elements?
What is the common feature of electronic configurations of the elements at the end of period 2 and period 3?
Arrange the following as per instruction given in the bracket.
K, Pb, Ca, Zn (increasing reactivity)
The position of elements A, B, C, D and E in the periodic table are shown below:
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Group 1 |
Group 2 |
Group 17 |
Group 18 |
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D |
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B |
C |
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A |
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E |
State which is metals, non-metals, and noble gas in this table.
(a) Fill in the blanks and rewrite the completed statements:
(i) ________ group in the periodic table contains elements that are all gases at room temperature.
(ii) Very fine particles mainly scatter ______ light.
The electronic configuration of an element is 2, 8, 4. State it:
name and write its one physical property.
