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stellarik [79]
3 years ago
5

Modern periodic table is less defective than mendeleev's periodic table. Give two reasons​

Chemistry
1 answer:
Talja [164]3 years ago
4 0

Answer:

there is no chance of any defects. 2) The position of isotopes becomes clarified in modern periodic table. That is the main two reasons as to why modern periodic table is less defective than Mendeeleev's periodic table.

Explanation:

Reason 1:- It is based on atomic number.

Reason 2:-Problem regarding Position of isotopes is resolved.

Reason 3:-Problem of position of Cobalt and Nickel is resolved whigh were placed wrongly in mandeelev periodic table.

Reason 4:-Blank spaces which were there in mandeelev periodic table are no more vacant now.

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