Chemistry Puzzle

1. a well-substantiated explanation of some aspect of the natural world.
4. Atomic Mass weighted average of the atomic masses for the isotopes of an element
6. table a table that classifies chemical elements. Arranged by atomic number and families that have similar characteristics.
7. Homogeneous mixture with particles so small that they cannot be seen with a microscope.
9. the elements or compounds produced by a chemical reaction.
10. atom that has a positive or negative charge.
13. the vertical columns of the periodic table.
14. a procedure or process for obtaining an objective.
16. Mixture Contains 2 or more gases, liquids, or solids substances blended evenly.
17. the state of matter distinguished from the solid and liquid states by: relatively low density and viscosity
19. Figures the number of all known digits reported in measurements plus one estimated digit.
20. the amount of space an object takes up.
22. these have some properties of metals and some of nonmetals.
23. Number the number of protons in an atom.
24. composed of the elements hydrogen and oxygen. this is an example of a compound.
26. Number protons + neutrons.

2. Mixture Mixture in which different materials can easily be distinguished.
3. these have a positive electrical charge.
4. Number 6.022 x 10^23. The number of particles in exactly one mole of a pure substance.
5. a substance in the fluid state of matter having no fixed shape but a fixed volume
8. The ability to do work or cause change.
11. have a shiny or metallic luster, good conductors of heat and electricity.
12. Analysis a technique of problem-solving that uses the units that are part of a measurement to help solve the problem.
15. these have no electrical charge, they are neutral.
16. This means two parts hydrogen.
18. The basic particle from which all elements are made.
21. A pure substance made of two or more elements chemically combined in a set ratio.
22. Mass the mass of one mole of a pure substance.
25. move around the nucleus electrons.