The complex [CrFo1 has a green color. Which of the following statement(s) is (are) true?
1. The molecular geometry is ocatahedral.
2. The blue color is due to unpaired d electrons of Cr
3. The insoluble salt CrPO,(s) should be more soluble in a solution of F (aq)
than in pure water.
4. The charge of Cris +2.

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

Find the number of moles of argon in 364g of argon.

What changes occur in the reaction indicated by the equation? check all that apply. the hydrogen nucleus loses protons. the oxygen nucleus gains protons. the bond in h2 is broken, and new bonds are formed between hydrogen and oxygen atoms. each electron associated with a hydrogen atom is shared with an oxygen atom.