Four spheres form the corners of a square whose side is two cm long. I am having a little trouble with a homework problem. My chemistry teacher can't even help me with this problem, and I'm getting desperate. Please explain valency and ions and the theory of sharing and trading of electrons and protons. Information on naming simple carbon compounds up to methyl branches, double bonds, halogen derivatives, alkanols and alkanoic acids.
Human bones contain calcium.
An ion is a charged particle, charged by the addition or removal of electrons to the particle. Water is added to 4.267 grams of UF6. The only products are 3.730 grams of a solid containing only uranium, oxygen, and fluorine and 0.970 gram of a gas. The gas is 95.0 percent fluorine, and the remainder is hydrogen. Arrange Cu, Ag, and Zn in order of their activities, listing the most reactive first.