6. Which of the sub-atomic particles has a mass of 1/1836?
- Electron
- Proton
- Neutron
7. Number of protons + number of neutrons =?
- Mass Number
- Atomic Number
- Elemental Number
8. What group are the noble gases in?
- Griup 8 or 0
- Group 1
- Group 7
9. What is the negativly charged sub-atomis particle?
- Neutron
- Electron
- Proton
10. How meny isotopes are there of Carbon?
- 10
- 3
- 2
11. What group is this electronic structure in? 2,8,8
- Group 3
- Group 8 or 0
- Group 1
12. On the second electron shell how meny electrons are there?
- 8
- 2
- 12
