A metal with low melting and boiling points is ________

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Solution

The correct option is B
K

Melting point of potassium (K) is about 63 °C. Iodine (I) and fluorine (F) are non-metals. The metal boron (B) has a high melting point (about $2000^{\circ} C$ ). Other metals with low melting points include sodium, gallium, caesium and mercury.

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Similar questions

Graphite is a non-metal and has very low melting and boiling points.

(a) Compound X consists of molecules.

Choose the letter corresponding to the correct answer from the options A, B, C and D given below :

(i) The type of bonding in X will be :

A. ionic B. electrovalent

C. covalent D. molecular

(ii) X is likely to have a :

A. low melting point and high boiling point,

B. high melting point and low boiling point,

C. low melting point and low boiling point,

D. high melting point and high boiling point.

(iii) In the liquid state, X will :

A. become ionic,

B. be an electrolyte

C. conduct electricity,

D. not conduct electricity.

(b) Electrons are getting added to an element Y :

(i) is Y getting oxidized or reduced ?

(ii) what charge will Y migrate to during the process of electrolysis ?

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