Write compound formulas from the following ions: 'you may use the crisscross method
**Do not worry about making your numbers small
1. Nat1 and 011
2. Zn+2 and 5-2
3. K+1 and 52
4. Mn+2 and Br 1
5. Fe*3 and 02

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.