Across
- 3. is any substance that has mass and takes up space by having volume.
- 5. a lasting attraction between atoms or ions that enables the formation of molecules, crystals, and other structures
- 7. the number of protons in the nucleus of an atom
- 9. group of two or more atoms held together by attractive forces known as chemical bond
- 10. a particle that consists of protons and neutrons surrounded by a cloud of electrons
- 11. a mixture of two or more metals
- 12. atom or molecule with a net electrical charge
Down
- 1. equal charge
- 2. a process that leads to the chemical transformation of one set of chemical substances to another.
- 4. is a conserved quantity
- 6. total mass of the protons and neutrons in an atom, measured in atomic mass units
- 8. positive charge