Consider these compounds: A. Ag2SO3 B. CaF2 C. BaSO4 D. BaSO3 Complete the following statements by entering the letter corresponding to the correct compound. Without doing any calculations it is possible to determine that calcium sulfite is more soluble than , and calcium sulfite is less soluble than . It is not possible to determine whether calcium sulfite is more or less soluble than by simply comparing Ksp values.

Imagine if during the cathode ray experiment, the size of the particles of the ray was the same as the size of the atom forming the cathode. which other model or scientific observation would have also been supported? 1. this would support dalton's postulates that proposed the atoms are indivisible because no small particles are involved. 2. this would support bohr's prediction about electrons moving in orbits having specific energy. 3. this would support bohr's prediction about electrons being randomly scattered around the nucleus in the atom. 4. this would support dalton's postulates that proposed that atoms combine in fixed whole number ratios to form compounds.