Radhika carried out tests on four elements W, X, Y and Z. The results are shown in the table below.

Element Solid at room temperature Conducts electricity Can be hammered into sheets

W No No No

X Yes No No

Y Yes Yes No

Z Yes Yes Yes

From these results, which of the four elements could she say is a metal?
(a) W
(b) X
(c) Y
(d) Z

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Solution

(d) Z

Most of the metals are solid at room temperature, conduct electricity and are malleable in nature, i.e. they can be hammered into sheets. Element 'Z' satisfies all these properties.

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Element	Solid at room temperature	Conducts electricity	Can be hammered into sheets
W	No	No	No
X	Yes	No	No
Y	Yes	Yes	No
Z	Yes	Yes	Yes

(d) Z Most of the metals are solid at room temperature, conduct electricity and are malleable in nature, i.e. they can be hammered into sheets. Element 'Z' satisfies all these properties.

(d) Z

Most of the metals are solid at room temperature, conduct electricity and are malleable in nature, i.e. they can be hammered into sheets. Element 'Z' satisfies all these properties.