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Yes; in his time not every element was known. As every element in the same column (group) has more or less the same chemical properties, he predicted there should be an element that was not yet discovered at some places.

For example, under Silicon, there was a gap where he suspected that, to complete the pattern, a new element was missing; he called it eka-silicon, and correctly predicted many of its properties. The new element was found later, with properties very similar to the predictions; it was eventually called Germanium.

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14y ago
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11y ago

Mendeleev predicted the discovery of other elements and left space for these new elements, namely eka-silicon (germanium), eka-aluminium (gallium), and eka-boron (scandium).

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13y ago

Mendeleev's decision to leave gaps in his Periodic Table was supported by the discovery of gallium.

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11y ago

gallium

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Q: Mendeleev's decision to leave gaps in his perodic table was supported by the discovery of?
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Related questions

What is chlorine in the perodic table?

A Halogen.


What does P stand for on the perodic table?

Phosphorus


What are the metalloids on the perodic table?

meercury , lead


What does Li stand for in the perodic table?

lithium


What does Cu stand for on the perodic table?

Copper


Who discovered the perodic table?

Most chemists attribute the discovery to Dmtri Mendeleev.


What odor is lanthanum?

lanthanum is a element on the perodic table ...


What is the only letter not appearing on the perodic table?

J


What is the most explosive element on the perodic table?

Francium


Who created the perodic table?

Dmitri Mendeleev in 1869


Acronyms of the periodic table of elements?

perodic law


Who discovered the element in the perodic system?

Many people were involved in the discovery of the elements. Certain elements have been known since ancient times and man will never know who truly discovered those. There is more information at the related link.