Difference between mendeleevs and modern periodic …

The main differences are: Mendeleev's periodic table is based on atomic mass. Modern periodic table is based on atomic number. ... In Mendeleev's periodic table noble gases were not placed (as they are not discovered at that time

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Varsha Rai 5 years, 8 months ago

Sarvodaya

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????? ?????? 5 years, 8 months ago

Azamgarh me kis scl me

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Varsha Rai 5 years, 8 months ago

It's not formal so plz don't say like this

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Varsha Rai 5 years, 8 months ago

If anyone help me then it's my pleasure to say thank you

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Varsha Rai 5 years, 8 months ago

Azamgarh

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Shreya Sharma 5 years, 8 months ago

Kanpur and u?

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Varsha Rai 5 years, 8 months ago

Aap kha s ho

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Shreya Sharma 5 years, 8 months ago

dom't be formal plzz???

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Varsha Rai 5 years, 8 months ago

Thank you

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Shreya Sharma 5 years, 8 months ago

he state that 'the properties of element are the periodic function of their atomic masses but in modern table atomic masses ki jagah atomic no h bas.

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Varsha Rai 5 years, 8 months ago

Plz koi samhja do

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