Across
- 3. equal number of protons but different number of nuetrons
- 6. a molecule in which one end of the molecule is slightly positive, while the other end is slightly negative.Polar-covelant-bond
- 8. a form of chemical connection in which one atom loses valence electrons and gains them from anothercovelant-bond
- 9. Nuetral charge
- 10. negative charge
- 11. the act or process of sticking together tightly
- 12. posotive electric charge
Down
- 1. Process of attachment of a substance to the surface of another substance.
- 2. a material formed by chemically bonding two or more chemical elementsIon
- 4. A substance that can be broken down by non nuclear reactions
- 5. molecules that do not have any electrical charges or partial chargesAdhesion
- 7. A particle of matter.