- Bellringer
- Ionic and Covalent Bonds Review
- Questions 1-25
Problem of the day: Answer the following on a sheet of scratch paper:
Hydrogen, which is lighter than helium, used to be used in blimps that carried passengers. Explain why helium is a better choice.
"A man who carries a cat by the tail learns something he can learn in no other way." Mark Twain
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