Question

2.03 quiz: carbon and life
due: fri oct 10, 2025 11:59pm
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which statement best explains why carbon is present in so many kinds of molecules?
it easily forms ionic bonds.
it has valence electrons.
it can form four covalent bonds.
it is abundant on earth.

Explanation:

Carbon can form four covalent bonds. This property allows it to bond with a wide variety of other atoms (such as hydrogen, oxygen, nitrogen etc.) and form long - chain or ring - shaped molecules, which is why it is present in so many kinds of molecules. While having valence electrons is true for all elements that bond, it is the ability to form four covalent bonds that is key for carbon's prevalence in different molecules. It does not easily form ionic bonds, and abundance on Earth is not the main reason for its presence in many molecules.

Answer:

It can form four covalent bonds.