Provide the bond type, molecular structure, and intermolecular forces for H20 and CO2. Compare and Contrast these structures
from NaCl. Using that information, explain why each of these are
in a different phase at room temperature.

Answer ozone (o3) is made of three atoms of oxygen, it is a molecule;

Radon-222 or rn-222 has a half-life of 3.82 days. to determine the fraction of an original sample of rn-222 that remains unchanged after 7.646 days, we calculate the amount of rn-222 remaining after 7.646 days and divide it with the original amount. using 1 gram as a basis and using half-life calculation methods, we can determine that  0.249 or 0.25  grams of rn-222 will remain, and thus the fraction remaining is 0.25 or 1/4.

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