Chemistry Vocab

6. Separation of a pure substance as it precipitates out of solution at low temperature.
8. Bond type that yields substances with the most diverse set of properties.
11. Substances are separated by boiling at different temperatures.
17. Elements that form anions and are poor conductors of electricity.
19. Technique for separating an insoluble solid from a liquid.
20. Bond formed by strong electrostatic attraction between charged atoms.
24. Forms of an element, like diamond and graphite, with different bonding and structure.
25. A particle consisting of a few atoms held together by covalent bonds.
27. Technique used to separate substances based on differences in solubility in a mobile phase.
28. The most reactive nonmetals on the periodic table.
31. Highly stable gasses in Group 18.
32. Another term for a homogeneous mixture.

1. Charge on an atom that has lost electrons.
2. Charge on an atom that has gained electrons.
3. In paper chromatography, the paper is called the _____ phase.
4. Substance in a solution present in largest amount.
5. City where an explosion in a nuclear reactor caused massive contamination of the surrounding area.
7. Another word for a pure substance.
9. Formed when an atom loses one or more electrons.
10. Earth metal in the fourth period.
12. Forms of an atom that have different number of neutrons.
13. Element that is mined for its use as an excellent nuclear fuel.
14. An ordered crystal of many particles arranged in a repeating pattern.
15. Technique that separates substances by density by spinning at high speed.
16. Substance in solution present in smaller amount.
18. Family of soft, solid highly reactive elements.
21. A mixture of metals.
22. In paper chromatography, the moving solvent is called the _____ phase.
23. Elements that are large in volume and have low specific heats.
26. Group of radioactive inner transition metals in the f-block.
29. An atom with more electrons than protons.
30. Element with the smallest radius on the periodic table.