University:
Widener University
Course:
1046C | General Chemistry
Academic year:

2022
Views:

498

Pages:

1
Author:

NRussell

Chemical Reactions 1. Everything is made of chemicals. 2. When do chemical reactions happen? When the electrons hook together. 3. Water is two parts “H” and one part “O”. 4. What makes iron rust and our blood red? Oxygen 5. Car and motorcycle engines are controlled by what chemical reaction? Combined gasoline and oxygen in small controlled explosions. 6. Baking soda = NaHCO3 7. C2H4O2 is what? Vinegar 8. What is sodium chloride? Salt 9. What is the name given to people who manufacture and use fireworks? Pyrotechnicians 10. There are 92 elements that make up the things that we love. 11. Who was the Swedish chemist that invented dynamite? Alfred Nobel 12. What is the list that shows our 92 elements? The periodic Table of Elements 13. Cow’s milk contains what element? Calcium 14. The symbol for potassium on the periodic table is K. 15. Na on the periodic table is the symbol for what? Sodium 16. What two elements are used to make a laser pen light? Helium and Neon 17. In the song “Don’t Try This at Home” what makes compounds? Mixing chemicals