Across
- 4. an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.
- 9. a statement that the product of the pressure and volume of one mole of a gas equals the product of the gas constant by the absolute temperature
- 10. the basic unit of a chemical element.
- 11. bonds type of linkage formed from the electrostatic attraction between oppositely charged ions
- 12. the relationship between the relative quantities of substances taking part in a reaction or forming a compound, typically a ratio of whole integers.
- 13. solution An aqueous solution is a solution in which the solvent is water
- 14. able to be dissolved, especially in water.
- 17. an ion with positive charge
- 18. cause to change in form, character, or function.
- 20. the production of chemical compounds by reaction from simpler materials.
Down
- 1. the process by which a liquid turns into a gas
- 2. affect a reduction in the effective nuclear charge on the electron cloud,
- 3. a standard scientific unit for measuring large quantities of very small entities such as atom
- 5. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
- 6. a number in positional notation are digits in the number that are reliable and necessary to indicate the quantity of something.
- 7. neutral subatomic particle that, in conjunction with protons, makes up the nucleus of every atom except ordinary hydrogen
- 8. gasses any of the gaseous elements helium, neon, argon, krypton, xenon, and radon, occupying Group 0 (18) of the periodic table. They were long believed to be totally unreactive but compounds of xenon, krypton, and radon are now known.
- 15. the tendency of an atom to attract electrons in a molecule
- 16. neutral subatomic particle that, in conjunction with protons, makes up the nucleus of every atom except ordinary hydrogen
- 19. table the organized array of all the chemical elements in order of increasing atomic number