WORKSHEET 01

3. A phase change in which a substance is changed from the gaseous to the liquid state of matter.
10. A stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
12. The element with the smallest radius.
14. A phase change in which a substance is changed from a liquid to a solid, also known as "fusion."
15. A subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
17. 6.022x10^23 is _________'s number.
18. A stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron.
19. Another word for "boiling," a phase change in which a chemical is converted from the liquid state of matter to a gaseous physical form.
20. The scientific base unit for time.
22. The dense, central part of an atom.
23. The scientific base unit for amount/quantity of substance.

1. The element with the smallest atomic number.
2. A mixture which varies in composition is _____.
4. A phase change in which as substance is changed from a solid to a gas.
5. Your FA24 CHEM001 TA's first name.
6. The scientific base unit for length.
7. The most electronegative element.
8. The phase change from a solid to a liquid due to heat application.
9. The scientific base unit for mass.
11. A mixture which has the same composition throughout is ____ and is also called a solution.
13. The scientific base unit for thermodynamic temperature.
16. A substance made of two or more elements chemically bonded in a fixed ratio.
21. A chemical ________ is a substance consisting of only one type of atom with the same number of protons.