(3) State the merits of Mendeleev's periodic table mentioning points of zero group and vacant
spaces left for unknown elements.
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(3) State the merits of Mendeleev's periodic table mentioning points of zero group and vacant
spaces left for unknown elements.
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Answer:
1) Mendeleev predicted the atomic masses and characteristics of unknown elements and left blank spaces for them. they were named as eka-boron etc.
2) zero group was added in the mendeleev's periodic table without changing the rest of the table.
Answer:
brainly pe pahle screenshot socho kr liye ho fir waha pe ye middle wala option click kr k crop kro question Fir post kr do.