1. how many protons and neutrons does a hydrogeon atom have?
- 4 of each
- 2 of each
- 1 of each
- 3 of each
1 of 5
Other questions in this quiz
2. what is the name given to the 8th group of elements in the periodic table?
- metalic gasses
- nobel gases
- hydrogenic gasses
- unnobel gasses
3. what order does the electrons go in a atom with three full shells?
4. what is the symbol for sodium?
5. how many groups are there in the periodic table?