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Questions and Answers
Which metal has a very low melting point and can melt on your palm?
Which metal has a very low melting point and can melt on your palm?
- Copper
- Sodium
- Aluminum
- Gallium (correct)
Which non-metal is lustrous in nature?
Which non-metal is lustrous in nature?
- Nitrogen
- Iodine (correct)
- Sulfur
- Oxygen
Which allotrope of carbon is a conductor of electricity?
Which allotrope of carbon is a conductor of electricity?
- Diamond
- Graphite (correct)
- Charcoal
- Coal
Which group of metals are so soft that they can be cut with a knife?
Which group of metals are so soft that they can be cut with a knife?
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What is the main reason for the reactivity of elements?
What is the main reason for the reactivity of elements?
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What is the charge of a sodium cation?
What is the charge of a sodium cation?
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How many electrons does chlorine require to complete its outermost shell?
How many electrons does chlorine require to complete its outermost shell?
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What is the electronic configuration of a sodium atom?
What is the electronic configuration of a sodium atom?
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Which element has a stable octet after losing an electron from its M shell?
Which element has a stable octet after losing an electron from its M shell?
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