Quiz 3 Terms

1. Quiz 3Terms On the themes: Particle physics, Nuclear physics, Organic Chemistry, Solids

2. 1. A group of atoms joined together by chemical bonds is .... • a molecule • an element • the nucleus

3. 2. The amount of mass or atoms that an object contains in a given space is … • valency • density • сondensation

4. 3.Small particles that are the building blocks of all matter are.... • atoms • protons • neutrons

5. 4.A kind of solid matter that always forms the same shape is ... • gas • liquid • crystal

6. 5.A substance that releases hydroxide ions in water is ... • alkali • hydrogen • carbon

7. 6.A dense substance created by closely packed atoms holding the atoms together is .... • liquid • a solid • gas

8. 7.A compound made up of hydrogen and oxygen atoms grouped together as molecules is ... • nitrogen • calcium • water

9. 8.A substance that contains only one type of atom is ... • a particle • an element • a molecule

10. 9.A chemical element which is the part of any organic compound is ... • carbon • copper • mercury

11. 10. Substances that release hydrogen in water are ... • salts • enzymes • acids

12. 11.The scale for measuring the acidity and alkalinity of a substance is ... • neutralization • pH-scale • ionic strength

13. 12.A substance in which the atoms of two or more or more elements are combined together by chemical bounds is .... • an isotope • a compound • a cell

14. assessment You are wrong! Try to answer again! Back to question 1.

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38. Quiz 3 (Terms) is over. Your knowledge of the themes Particle physics, Nuclear physics, Organic Chemistry, Solids has improved.