What conclusions can be drawn regarding the molecule C6H12O6? 1. The molecule is inorganic; it is a salt.
2. The molecule is organic; it is a salt.
3. The molecule is inorganic; it is a carbohydrate.
4. The molecule is organic; it is a carbohydrate.

Which answer best describes the relationship between sodium and aluminum?

1. Sodium and aluminum have similar chemical properties because they are in the same group.
2. Sodium and aluminum have similar chemical properties because they are in the same period.
3. Sodium and aluminum have the same number of electron shells because they are in the same group.
4. Sodium and aluminum have the same number of electron shells because they are in the same period.