How many groups are there in the modern ...

How many groups are there in the modern periodic table?

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ICSE-PERIODIC PROPERTIES OF ELEMENTS -QUESTIONS FOR PRACTICE (Answer the questions in one word or in one sentence:)

How many groups are there in the modern periodic table?
00:57
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Name the first element of group 13.
01:30
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Potassium belongs to which period of the periodic table?
01:17
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Calcium belongs to which group of the periodic table?
01:47
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How many electrons are present in the outermost orbit of helium?
01:25
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How many shells are there in an atom of silicon?
00:46
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Name the element which belongs to group 17 and period 2 of the modern ...
01:29
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What is the common name of the elements of group 1?
01:42
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What is the general name of the elements of group 17?
01:29
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To which group of the modern periodic table do alkaline earth metals b...
01:15
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Which one of Li and F has larger atomic radius?
03:07
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Which one of Li and K has larger atomic size?
01:58
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How does valency change within a group of the periodic table?
03:25
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Which one of F and Cl is more electronegative?
02:33
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Which one of F and Cl has larger electron affinity?
03:15
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What is the trend in the atomic size in a group, does it increase or d...
03:12
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State modern periodic law of classification of elements.
02:43
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Who proposed that atomic number is the fundamental property of an elem...
01:32
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Which one of Mg and Ca is more metallic?
02:53
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From the electronic configurations N (2,5), O (2,6) and F (2,7), answe...
03:00
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