Matter

1. the act of spreading or allowing to spread freely
5. subatomic particl that is constituent of every atomic nucleus except ordinary hydrogen
6. a substance consisting only of atoms that all have the same numbers of protons in their atomic nuclei
10. six chemical elements in group 2 of the periodic table
11. any of the 6 chemical element that make up group 1 of the periodic table
14. the amount of substance in a defined space
16. the sum of the numbers of protons in the nucleus of an atom
19. a substance formed when two or more chemical elements are chemically bonded together
23. a substance that has mass and can take up space
24. a stable subatomic particle that has a positive charge
25. an electrical neutral group of atoms joined together by chemical bonds
26. a nonmetal that in combination with a metal forms an alloy
27. the horizantal row on the periodic table
29. the negatively charged particles of an atom

2. a chemical element that mostly lacks the characteristics of a metal
3. a particle smaller than an atom
4. the number of protons found in the nucleus of every atom of that element
7. the capacity of doing work
8. a metallic substances composed of two or more elements,as either a compound or a solution
9. the group in the periodic table consisting of five chemically related elements
12. a fundamental theory of matter that explains physical properties in terms of the motion of atoms and molecules
13. a column in the periodic table of the chemical elements
15. the movement of a solvent(e.g water)through a semipermeable membrane(e.g a living cell)from a less concentrated solution into a more concentrated one
17. a small portion of matter
18. the number of protons in the nucleus of an atom
20. an organised array of all the chemical elements in order of increasing atomic number
21. an element that readily forms positive icons and has metallic bonds
22. the smallest unit of ordinary matter that forms a chemical element
28. a notation of one or two letters representing a chemical element