What best describes the bonding in a carbon dioxide molecule? a. Carbon transfers two electrons to each of the two oxygen atoms.

b. Carbon shares 2 pairs of electrons with each oxygen.

c. Carbon shares a pair of
electrons with each oxygen atom.

d. Carbon receives two electrons from each of the two oxygen atoms.

B. Carbon shares 2 pair of electrons with each oxygen.

Explanation:

Carbon dioxide is formed from combustion reactions, which involves a reaction between carbon and oxygen gas. Carbon dioxide molecule is formed from one carbon atom and two oxygens. As an element, carbon only has 4 outer shell electrons and oxygen 6. The two atoms require to gain electrons to achieve a stable configuration; carbon require to gain four electrons and oxygen requires two electrons. Double covalent bonds form between the atoms, where two electrons from each atom are shared making 4 bonding electrons in total.

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Cell theory states that all the living organisms are made up of basic structural and functional units, cells. All cells divide and give rise to new cells. All the cells have similar chemical composition. The nuclei acid DNA present in the chromosomes helps in carrying hereditary information from generation to generation. So, in order to sustain life the cells must contain DNA either enclosed in the nucleus or freely floating in the cytoplasm.