Matter

3. earth Any of the six chemical elements that comprise Group 2 (IIa) of the periodic table.
6. A tiny bit of matter that makes up everything in the universe.
7. The information centre of the cell.
8. A chemical element that forms a salt when it reacts with metal.
10. A substance whose atoms all have the same number of protons.
14. A chemical element that forms a simple substance having properties intermediate between those of a typical metal and a typical nonmetal.
20. The amount of a substance in a defined space.
23. number The sum of the number of nucleons in an atom.
24. An elementary particle that is identical with the nucleus of the hydrogen atom.
25. A row of chemical elements.
26. An uncharged elementary particle that has a mass nearly equal to that of the proton.
27. The spontaneous net movement of solvent molecules through a selectively permeable membrane into a region of higher solute concentration.
29. metal Any of the six chemical elements that make up Group 1 (Ia) of the periodic table.

1. A chemical element that forms a simple substance having properties intermediate between those of a typical metal and a typical nonmetal.
2. The negatively charged particles of atoms.
3. number The number of a chemical element in the periodic system.
4. number The number of protons found in the nucleus of every atom of that element.
5. Lattice of positive ions surrounded by a cloud of delocalized electrons.
9. A group of two or more atoms that form the smallest identifiable unit.
11. table A tabular array of the chemical elements organized by atomic number.
12. The ability to do work.
13. A material formed by chemically bonding two or more chemical elements.
15. The movement of a substance from an area of high concentration to an area of low concentration.
16. A chemical element that forms a salt when it reacts with metal.
17. Any of various self-contained units of matter or energy that are the fundamental constituents of all matter.
18. Smallest unit into which matter can be divided without the release of electrically charged particles.
19. A chemical notation of one or two letters representing a chemical element.
21. A vertical column in the Periodic Table.
22. theory A fundamental theory of matter that explains physical properties in terms of the motion of atoms and molecules.
28. Anything that has mass and volume.