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प्रश्न
Generally, non-metals are not lustrous. Which of the following non-metal is lustrous?
पर्याय
Sulphur
Oxygen
Nitrogen
Iodine
उत्तर
Iodine
Explanation -
Iodine in nature exists in its molecular crystalline form and due to this iodine has a lustrous nature.
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संबंधित प्रश्न
Name two metals which react violently with cold water. Write any three observations you would make when such a metal is dropped into water.
The electronic configurations of three elements A, B and C are as follows:
| A | 2, 8, 1 |
| B | 2, 8, 7 |
| C | 2, 4 |
(a) Which of these element is a metal?
(b) Which of these elements are non-metals?
(c) Which two elements will combine to form an ionic bond?
(d) Which two elements will combine to form a covalent bond?
(e) Which element will form an anion of valency 1?
Name a non-metal that a good conductor of heat and electricity
Name a non-metal that is liquid at room temperature
State any five physical properties of a non-metal.
Why are alloys made?
Define metal and non-metal on the basis of electron loss or gain.
Why is hydrogen kept in the metal activity series?
Explain the following:
Metals like calcium and magnesium are never found in their free state in nature.
Select the appropriate option for the following statement:
The element which is noble gas and radioactive in nature.
