Across
- 2. An atom or molecule with a net electrical charge from the loss/gain of one or more electrons.
- 3. Carbon Dioxide comes from this gas family.
- 6. A gas that takes the symbol CO2.
- 7. A method which is used to remember the three essential things for a fire.
- 10. The product of a random distribution of one substance to another which is not chemically joined.
- 11. The scientific term for burning.
- 13. The most abundant type of gas in the air.
- 15. The most common type of corrosion in metals which involves contact with air.
Down
- 1. The periodic table consists of this.
- 4. This type of reaction takes heat in from its surroundings.
- 5. A method that gets rid of rust which contains a zinc coating.
- 8. The smallest particle that can exist, consisting of a positively charged nucleus.
- 9. This type of reaction gives off heat.
- 11. Something formed from two or more elements chemically united in fixed proportions.
- 12. A group of atoms that are bonded together, representing the smallest fundamental unit of a chemical reaction.
- 14. A gas in the air which is most essential for life.