write any three points on modern periodic table
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modern periodic table is comprising of 18 groups and seven periods.
the first two groups comprise of alkali metals and alkali earth metals.
the last group consists of noble gases which have their shells being filled.
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1
Answer:
1) There are a total of 118 elements in the modern periodic table.
2) There are 18 groups in the modern periodic table.
3) there are 91 metals , 17 non metals and 8 metalloids.
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