1. what does 'O' stand for?
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2. in the periodic table what does 'H' stand for?
3. what is a long tube called?
- measuring cylinder
- test tube
4. why should you were goggles?
- because you dont damage your eyes
- because you get told off if you dont
- safety issues
- so chemicals dont get into your eyes
5. what does neon stand for in the periodic table?