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Uses of Metalloids

The element w...

Question

The element with atomic number 14 is hard, forms an acidic oxide, and a covalent halide. To which of the following categories does the element belong?

A

Metal

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B

Metalloid

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C

Non-metal

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D

Highly electropositive element

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Solution

The correct option is B Metalloid
Element with at no 14 has configuration 2,8,4 and it belongs to group 14 which is Silicon and it is metalloid having properties of both metals and non metals.

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Q. Question 22
The element with atomic number 14 is hard and forms acidic oxide and a covalent halide. To which of the following categories does the element belong?

(a) Metal
(b) Metalloid
(c) Non-metal
(d) Left-hand side element

Q. Question 21
Which of the following elements will form an acidic oxide?

(a) An element with atomic number 7
(b) An element with atomic number 3
(c) An element with atomic number 12
(d) An element with atomic number 19

X

17

) reacts with an element

Y

20

) to form a divalent halide. What will be the nature of oxide of element Y?

Q. Question 43 (c)
A element X (atomic number 17) reacts with an element Y (atomic number 20) to form a divalent halide.
What will be the nature of oxide of element Y? Identify the nature of bonding in the compound formed

X

17

) reacts with an element

Y

20

) to form a divalent halide. Where in the periodic table is element,

X

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Uses of Metalloids

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