Across
- 1. Formula Helps breakdown a compound by representing the different types of atoms to make a compound. Includes element symbols, subscripts, and coefficients
- 5. Atoms Which molecule did scientists believe came first
- 7. Made up of more than one type of atom
- 8. Biggest organic molecule
- 9. A group of two or more atoms that are bonded together
- 10. The number of atoms of each element present in a compound
Down
- 2. A substance that cannot be broken down
- 3. Basic unit of matter made up of a nucleus and a electron cloud
- 4. Hydrogen combined with Carbon
- 6. Represent the number of molecules