- What does the 2 in front of 2H2O mean?
- Why is there a 2 in CO2?
- Is the 2 in H2O a subscript?
- Why doesn’t the O have a subscript?
- How do you type 2 in H2O?
- How do I get H2O?
- Is H20 a word?
- Is H2O and Hoh the same thing?
- What is the real name of water?
- Does water have a chemical name?
- What level of CO2 is toxic to humans?
- What is H2O made of?
- What is H2O full name?
- What do we breathe out when we exhale?
- Why is H2O not OH2?
- What does the 2 mean in H2O?
- What is the 2 in CO2 called?
- What does H2O stand for?
What does the 2 in front of 2H2O mean?