9F - Crossword Labs

4. An atom or molecule with a net electric charge due to the loss or gain of electrons.
5. A substance that takes part and undergoes change during a reaction.
10. Table A chart that organizes elements by their properties and atomic number.
11. A gas produced when metals react with acids.
13. How easily a substance undergoes a chemical reaction.
16. A substance that speeds up a chemical reaction without being consumed.
18. A chemical reaction where a substance loses electrons, often involving oxygen.
19. The bubbling or fizzing caused by gas released during a reaction.
20. A type of element that is typically shiny, malleable, and conducts electricity.
21. A vertical column in the periodic table with elements having similar properties.

1. The substance formed as a result of a chemical reaction.
2. A compound formed when an acid reacts with a base.
3. The gradual destruction of metals by chemical reaction with the environment.
6. An element that usually lacks metallic properties and is a poor conductor.
7. A substance that can neutralize an acid.
8. A reaction between an acid and a base producing salt and water.
9. A base that dissolves in water and forms hydroxide ions.
12. Reaction A reaction where a more reactive element takes the place of a less reactive one.
13. The reddish-brown flaky substance formed on iron due to corrosion.
14. A negatively charged particle found outside the nucleus of an atom.
15. A substance that has a pH less than 7.
17. The smallest unit of an element that retains its chemical properties.
22. Scale A scale used to measure how acidic or alkaline a solution is.