Question

Which element can bond with up to four other atoms at once in order to form

a biomolecule in the shape of a long chain?
OA. Hydrogen
B. Nitrogen
C. Oxygen
D. Carbon

Answer 1

Answer: D. Carbon

Step-by-step explanation:

Carbon has an outer shell that contains 4 electrons. A complete outer shell requires a total of 8 electrons which means that 4 electrons can be ‘shared’ with other atoms.