Chemistry, asked by ketangaikwad62, 6 months ago

Mendleevs kept vacant places in his periodic table for unkown element named as ......,......and ......

Answers

Answered by arjunsing1104
2

Answer:

Gallium, germanium, and scandium were all unknown but Mendeleev left spaces for each and predicted their atomic masses and other chemical properties.

Explanation:

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Answered by sahidkhan1992khan
3

Answer:

It was later identified as gallium. Gallium, germanium, and scandium were all unknown in 1871, But a century later, they still used a variety of symbols and acronyms to represent the different materials — there just wasn’t a common lexicon. In 1869, the Russian chemist Dmitri Mendeleev .

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