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Eka-aluminium and Eka -silicon are known...

Eka-aluminium and Eka -silicon are known as :

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To solve the question "Eka-aluminium and Eka-silicon are known as:", we will follow these steps: ### Step 1: Understand the term "Eka" The term "Eka" was introduced by Dmitri Mendeleev, the creator of the periodic table. It is a Sanskrit word meaning "one" and is used to denote elements that were predicted to exist based on the periodic trends of known elements. **Hint:** Remember that "Eka" refers to elements that are predicted to be in the same group as a known element. ### Step 2: Identify the known elements ...
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Silicones are

Assertion:According to mendeleev,the properties of elements are a periodic function of their atomic weights. Reason:Mendeleev left the gap under aluminium and a gap under silicon,and called these elements Eka-Aluminium and Eka-silicon. (A)If both assertion and reason are true and reason is the correct explanation of assertion. (B)If both assertion and reason are true but reason is not the correct explanation of assertion. (C)if assertion is true and reason is false. (D)both are false

Eka silicon is now called as:

The elements eka aluminum and eka sillicon named by Mendeleev known today as

Silicones are used as.

What are silicones ?

An aluminium wire

Assertion (A) : If aluminium atoms replace a few silicon atoms in three dimensional network of silicon dioxide, the overall structure acquires a negative charge Reason (R) : Aluminium is trivalent while silicon is tetravalent.

Give reasons : Aluminium is more abundant than gold in the Earth's crust, yet it is the gold and not aluminium that has been known to man since ancient times.

in silicon dioxide :