Question

which picture or pictures show a molecule? a. a and c b. b only c. b and c d. c only

Explanation:

Step1: Recall molecule definition

A molecule is made up of two or more atoms chemically bonded together.

Step2: Analyze Picture A

Picture A shows individual atoms (just blue - colored spheres not bonded to others), not a molecule.

Step3: Analyze Picture B

Picture B shows pairs of different - colored spheres (blue and yellow) bonded together, which are molecules.

Step4: Analyze Picture C

Picture C shows pairs of same - colored spheres (yellow) bonded together, which are also molecules.

Answer:

C. B and C