QUESTIONS
1. What is the term for a compound having basic (as opposed to acidic)
properties?
2. What is the emission of heat and light through rapid oxidation called?
3. What is the name given to organic compounds, including fats,waxes and
steroids?
4. What is the term for anything that occupies space and has mass when at rest?
5. What are high-frequency electromagnetic waves, similar to X-rays but of higher
frequency?
6. What is energy produced by molecular motion?
7. What number is given to protons in the nucleus of an atom?
8. What is a substance that changes the speed of a chemical reaction without
itself being permanently changed?
9. What is the conversion of a gas or vapor into a liquid, by cooling?
10. What is an atom (or group of atoms) that is electrically charged as a result of a
gain or a loss of electrons?
11. What is a substance that slows down the rate of a chemical reaction?
12. What is the change of state from a liquid to a gas?
13. What is a compound composed solely of carbon and hydrogen (e.g. methane)?
14. What is the process in which an atom, ion or molecule loses electrons?
15. What is the name given to the smallest particle of an element or compound
that contains the chemical properties of that material?
ANSWERS
1.Alkali. 2. Combustion. 3. Lipids. 4. Matter. 5. Gamma-rays. 6. Heat. 7.Atomic
number. 8. Catalyst. 9. Condensation. 10. Ion. 11. Inhibitor. 12. Evaporation. 13.
Hydrocarbon.14. Oxidation. 15 Molecule.
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