CHEMISTRY CROSSWORD

1. Visible, hot gas from burning substances.
3. A substance with a sour taste and pH less than 7; turns blue litmus red.
5. A container used in labs to hold liquids.
6. Fourth state of matter found in stars and lightning
9. The substance dissolved in a solution.
10. The mixing of atomic orbitals to form new orbitals for bonding.
13. Measure of the amount of matter.
14. The amount of space an object or substance occupies.
16. A fixed circular path in Bohr’s model where electrons revolve around the nucleus.
18. A neutral particle found in the nucleus of an atom.
20. The smallest unit of matter that retains the properties of an element.
21. A compound formed from an acid and a base.
22. A reaction involving both oxidation and reduction."
23. A chemical change producing new substances.
26. Unequal sharing of electrons in a molecule causes this type of charge separation.
27. A mixture of two or more metals, or a metal and a non-metal.
28. A slow chemical reaction between iron, water, and oxygen.

2. A combination of two or more substances that do not chemically combine.
4. The process in which a single ligand forms multiple bonds with a central metal ion.
7. The existence of an element in more than one physical form in the same state (like diamond )
8. A chemical reaction in which a substance burns in oxygen to release heat.
11. Atom or molecule with an electric charge.
12. A molecule made of three oxygen atoms.
15. A negatively charged particle that moves around the nucleus.
17. A bond formed by sharing of electrons.
19. Regions in an atom where there is a high probability of finding electrons.
24. The chemical decomposition of a substance by passing electric current through it.
25. "Makes up most of the air we breathe, but we can't use it directly."