Question

the particles in solids are tightly packed. false true what letter represents a noble gas

Explanation:

1. In solids, the particles are indeed tightly - packed due to strong intermolecular forces.
2. Noble gases are in the far - right column of the periodic table. Assuming this grid represents a periodic - table like structure, noble gases are in the last group.

Answer:

1. B. True
2. A. A (assuming the far - right position in the grid represents the noble - gas group)