Chemistry Puzzle

2. atom that has a positive or negative charge.
4. Homogeneous mixture with particles so small that they cannot be seen with a microscope.
6. a procedure or process for obtaining an objective.
7. these have no electrical charge, they are neutral.
9. This means two parts hydrogen.
11. Number the number of protons in an atom.
16. Mixture Contains 2 or more gases, liquids, or solids substances blended evenly.
17. A pure substance made of two or more elements chemically combined in a set ratio.
18. composed of the elements hydrogen and oxygen. this is an example of a compound.
19. the vertical columns of the periodic table.
22. a substance in the fluid state of matter having no fixed shape but a fixed volume
23. have a shiny or metallic luster, good conductors of heat and electricity.
25. table a table that classifies chemical elements. Arranged by atomic number and families that have similar characteristics.
26. the state of matter distinguished from the solid and liquid states by: relatively low density and viscosity

1. these have a positive electrical charge.
3. the amount of space an object takes up.
4. Figures the number of all known digits reported in measurements plus one estimated digit.
5. The ability to do work or cause change.
8. Analysis a technique of problem-solving that uses the units that are part of a measurement to help solve the problem.
9. Mixture Mixture in which different materials can easily be distinguished.
10. Number 6.022 x 10^23. The number of particles in exactly one mole of a pure substance.
12. Number protons + neutrons.
13. The basic particle from which all elements are made.
14. a well-substantiated explanation of some aspect of the natural world.
15. these have some properties of metals and some of nonmetals.
20. the elements or compounds produced by a chemical reaction.
21. Atomic Mass weighted average of the atomic masses for the isotopes of an element
23. Mass the mass of one mole of a pure substance.
24. move around the nucleus electrons.