
CHEMISTRY CLUES
Across1. a substance that conducts heat and electricity poorly, is brittle, waxy or gaseous, and cannot be hammered into sheets or drawn into wire.
5. the measure of the amount of matter in an object
6. the ability to be hammered into thin sheets.
7. the positively charged particle found in the nucleus of an atom.
10. a particle found in an atom that has a negative charge.
12. a particle with no electrical charge found in the nucleus of an atom.
16. definite shape, definite volume
18. an attraction between different substances.
20. a substance that conducts heat and electricity, is shiny and reflects many colors of light, and can be hammered into sheets or drawn into wire.
24. lithium, sodium, potassium, rubidium, cesium, and francium
25. beryllium, magnesium, calcium, strontium, barium, and radium
27. fluorine, chlorine, bromine, iodine, and astatine
28. no definite shape or volume.
29. anything that has mass.
30. the ability to stretch out and then snap back into place.
31. the extent to which a substance will shatter.
Down
2. two or more substances physically, but not chemically, combined.
3. two or more atoms chemically combined by covalent or ionic bonds.
4. the resistance of a liquid exhibits to flow.
7. the horizontal rows of the periodic table.
8. the ability to be drawn into thin wire.
9. definite volume, but no definite shape.
11. gold, titanium, tungsten, mercury and iron are examples of this family
13. the simplest pure form of a substance.
14. an attraction between like molecules.
15. silicon, arsenic , and germanium, boron, antimony, tellurium and polonium
17. the vertical columns on the periodic table
19. the central part of an atom that contains the protons and neutrons.
21. any particular kind of matter
22. helium , neon, argon, krypton, xenon, radon
23. a gaslike state of matter consisting of positively charged ions, free electrons, and neutral particles.
26. the smallest object that retains properties of an element.