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dalvyx [7]
3 years ago
15

What semimetal can form four single covalent bonds.

Chemistry
1 answer:
lesantik [10]3 years ago
4 0

The right answer is Sillicon.

Silicon (Si) is the chemical element of atomic number 14. It is the most abundant element in the earth's crust after oxygen, or 25.7% of its mass, but it is comparatively only present in relatively small quantities in the material constituting the living.

It is a semi-metal, ie it does not meet all the criteria to be defined as being a metal.

It has four free electrons in the last orbit, so it is able to form four covalent bonds. (the carbon can form 4 covalent bonds but it is not a semi-metal)

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The question is incomplete, the complete question is;

Which statement describes a difference between electromagnetic and mechanical waves?

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