QUESTIONS.
1. What is the term used to express the breakdown of atomic nuclei accompanied
by the release of radiation, in alpha-, beta- or gamma-rays?
2. What is the term for a specific amount of energy released or absorbed in a
process?
3. What are atoms that have the same atomic number but different atomic mass,
due to the different number of neutrons in their nuclei?
4. What is the term for the property of matter, either positive or negative, that
gives rise to electrical forces?
5. What term denotes a chemical reaction in which heat is released, (e.g.
combustion)?
6. What is the term for the bonding or the chemical reaction that produces a
polymerfrom two or more monomers?
7. What do you call a substance, chemical or solution used in the laboratory to
detect or measure other substances, chemicals or solutions?
8. What is a system in which particles of a solid or liquid are dispersed in a liquid
or a gas?
9. What is the process of removing suspended particles from a fluid, by passing
or forcing the fluid through a porous material, called?
10. What term refers to matter that does not enter chemical reactions?
11. That part of an atom in which electrons are most likely to be found is …?
12. What is the change in a substance from a liquid to a solid known as?
13. What term refers to the conversion of one element into another by means of
nuclear change?
14. What is the sum of the atomic masses in a compound’s formula called?
15. What is the decomposition of a substance by passing an electric current
through a liquid?
ANSWERS.
1. Radioactivity. 2. Quantum. 3. Isotopes. 4. Electric charge. 5. Exothermic.
6. Polymerisation. 7. Reagent. 8. Suspension. 9. Filtration. 10. Inert. 11. Orbital.
12. Solidify. 13.Transmutation. 14. Formula mass. 15. Electrolysis.
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