Chemistry

2. A homogeneous mixture of two or more substances
3. Type of bond formed by the transfer of electrons
4. Substance that speeds up a chemical reaction without being consumed
9. State where the concentrations of reactants and products remain constant over time
10. Process in which one or more substances are converted into new substances
11. A solid that forms and settles out of a liquid mixture
13. A reaction that releases heat
15. Atoms of the same element with different numbers of neutrons
16. Process of converting a liquid to a gas
18. Substance in which a solute is dissolved
19. A subatomic particle with no charge, found in the nucleus

1. A way to express the concentration per litre of solution
4. Bond formed by the sharing of electron pairs between atoms
5. Element with atomic number 8
6. Central core of an atom
7. Tendency of an atom to attract a bonding pair of electrons
8. An ionic compound formed by the neutralization reaction of an acid and a base
12. A negatively charged subatomic particle
14. The smallest particle of a chemical element that can exist
17. Amount of substance containing as many particles as there are atoms in 12 g of carbon-12