GUYS, PLEASE HELP ME I'M ON THE LAST QUESTION AND I GET IT WRONG I HAVE TO START OVER. no links

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

Schrodinger and heisenberg developed an alternate theory about atomic nature that contradicted some of bohr's model of the atom. how do changes resulting from new technology and evidence affect the reputation of the atomic theory?

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?