How many oxygen atoms are in the products of the balanced reaction below? 3Ca + 2AIPO4 + 2Al + Ca3(PO4)2
A. 12
B. 8
C. 3
D. 4

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?

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

Nan element’s square on the periodic table, the number with the greatest numerical value represents the