Chemical Bonding

3. the combining power of an element, especially as measured by the number of hydrogen atoms it can displace or combine with.
5. make (someone or something) different; alter or modify.
6. relating to or denoting chemical bonds formed by the sharing of electrons between atoms.
8. the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.
10. a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
12. a strong force of attraction holding atoms together in a molecule or crystal, resulting from the sharing or transfer of electrons.
13. the basic unit of a chemical element.
14. (of a reaction or process) accompanied by the release of heat.
15. a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.
19. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
20. a compound or substance that has been purified or prepared, especially artificially.

1. freely transfer the possession of (something) to (someone
2. a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
4. an amount of something gained or acquired from one source
7. a mathematical relationship or rule expressed in symbols.
9. (of a reaction or process) accompanied by or requiring the absorption of heat.
11. have a portion of (something) with another or others.
16. farthest from the center.
17. relating to, composed of, or using ions.
18. an orbit followed by electrons around an atom's nucleus.