Which of the following is/are metalloid?

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Both Si&Al

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Solution

The correct option is A
Si

Silicon is the only metalloid in the given choices.

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Similar questions

Q. From the given elements
Mg, Al, Si, Ge, Br, As, Sb
The total number of metalloid(s) is/are

The first ionistation enthalpies of Na, Mg, Al, and Si are in the order
(a) Na< Mg > Al < Si (b) Na> Mg > Al > Si
(c) Na< Mg< Al< Si (d) Na> Mg> Al < Si

Arrange the following elements in the order of their abundance in Earth's crust:

Aluminium - $A l$ , Silicon - $S i$ , Oxygen - $O$ , Iron - $F e$ .

N a^{+}

M g^{2 +}

A l^{3 +}

and

S i^{4 +}

are isoelectronic, their ionic size will follow the order:

Question 17
Arrange the following elements in the order of their decreasing metallic character
Na, Si, Cl, Mg, Al

(a) Cl > Si >Al > Mg >Na
(b) Na >Mg >Al >Si > Cl
(c) Na > Al > Mg > Cl > Si
(d) Al > Na> Si > Ca> Mg

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Which of the following is/are metalloid?

The correct option is A Si Silicon is the only metalloid in the given choices.

The correct option is A
Si

Silicon is the only metalloid in the given choices.