State the oxidation state of phosphorus in P4 and H2PO2−.
P4:
H2PO2−:

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

Which statement correctly describes potassium iodide, ki? there is a one-to-one ratio of potassium ions to iodide ions. potassium gains electrons and iodine loses electrons during the reaction. the lattice is held together by potassium anions and iodide cations.

What are the 4 phases of matter in order of increasing engery content?