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Question

Which of the following are correct with respect to carbon?


A
Atomic number is six
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B
Valency is four
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C
Atomic mass is 14u
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D
Non-metallic element
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Solution

The correct options are
A Atomic number is six
B Valency is four
D Non-metallic element
  • Carbon has six protons hence its atomic number is six.
  • Its electronic configuration is 2,4. So, the valency of carbon is four.
  • Atomic mass of carbon is 12u.
  • Carbon is a non-metal; and is non-ductile and usually brittle.

Chemistry

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