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