11 CHEMISTRY

3. Part of a mixture that passes through filter paper.
4. Scienctist who determined atomic number was fundamental property of elements.
5. Loss of electrons from an atom or ion.
7. Weak force between molecules.
8. Resource that can be replaced in less than a generation.
10. Separation process based on difference in boiling points.
11. Analysis based on measuring masses of components of a mixture.
15. A heterogeneous mixture.
18. First alloy to be used by man.
20. Type of bond between ammonia and water molecules.
21. Flask used to prepare a standard solution.
22. This effect influences the atomic size down a group.

1. Ability of an element to attact electrons to itself when bonding.
2. Group 7 in the Periodic Table.
3. Method used to concentrate copper minerals before smelting.
6. Ration between the mass of a substance and the volume that it occupies.
9. Concentration of a solution.
12. Gain of electrons by an atom or ion.
13. Energy required to remove the most loosely held electron from a gaseous atom.
14. Force between a liquid and solid surface.
16. Formula showing simplest whole number ratio of atoms in a compound.
17. Resistance to flow of a liquid.
19. Reuse many times over.