Chemistry

3. negatively charged subatomic particle
5. the ability of a substance to catch fire
7. a set of chemical symbols showing the elements present in a compound
8. anything that has mass and takes up space
12. a mixture that is evenly mixed throughout
15. mass/volume
18. a mixture that is NOT evenly mixed throughout
19. the point where a liquid turns into a gas
21. center of an atom made of protons and neutrons
23. a number written on the left side of a compound to show how many molecules or atoms of a substance are involved in a chemical reaction
24. the point where a solid turns into a liquid
25. smallest unit of matter
27. positively charged subatomic particle
28. the point where a liquid turns into a solid
30. where electrons are found

1. turning a liquid into a gas
2. a compound that changes color in the presence of an acid or a base
4. a process that separates solids based on their particle size
6. the ability of a substance to be hammered or beaten into thin sheets
9. a combination of two or more substances not chemically combined
10. hydrogen ion concentration
11. a measure of how much solute can be dissolved in a solvent at a given temperature
13. neutrally charged subatomic particle
14. a process that removes lumps from an ingredient and gives it a smoother consistency
16. a pure substance made from only one type of atom
17. a number written to the bottom right corner of a chemical symbol to show how many atoms of that element are in a compound
20. the ability of a substance to be stretched into a thin wire
22. a representation of a chemical reaction using chemical symbols to indicate the amount of substance in the reactants and products.
26. two or more atoms held together by covalent bonds
29. an atom or molecule that has lost or gained one or more electrons