Across
- 2. weak electric forces that attract neutral molecules to one another in gases
- 5. Type of molecule, often polar, that interacts with water by dissolving in water and forming hydrogen bonds with water molecules.
- 7. The ability of water molecules to cling to each other due to the process of hydrogenbonding
- 11. Substances that is dissolved in a solvent forming a solution
- 15. Chemical bond in which ions are attracted to one another by opposite charges
- 17. Chemical bond in which atoms share one pair of electrons
- 18. substance or a group of substances that tend to resist pH changes of a solution
- 20. A group of atoms bonded together
- 22. A diatomic molecule that comes from water with a hydrogen removed
- 25. Force that holds moist membranes together due to the attraction off water molecules through hydrogen bonds
- 28. Number of protons within the nucleus of an atom
- 29. Mass of an atom equal to the number of protons plus the number of neutrons
- 30. Positive subatomic particle located in the nucleus
- 31. Anything that takes up space and has mass
- 32. Substance having two or more different elements in a fixed ratio
- 33. Atoms of the same element having the same atomic number but a different mass number due to a variation in the number of neutrons
- 34. Measurement scale for hydrogen ion concentration
- 36. Substances that cannot be broken down into substances
Down
- 1. Type of molecule that is typically nonpolar and therefore does not interact easily with water
- 3. The ability of water molecules to cling to, or be attracted to, a surface, such as a transport vessel in a plant or animal
- 4. The nucleus of a hydrogen atom separated from its accompanying electron
- 6. Charged particle that carries a negative or positive charge
- 8. Neutral subatomic particle, located in the nucleus
- 9. The branch of science that deals with the identification of the substances
- 10. molecules tending to lower they hydrogen ion concentration in a solution and thus raise the pH numerically
- 12. The observation that an atom is most stable when its outer shell is complete and contains eight electrons
- 13. Smallest particle of an element that displays the properties of the element
- 14. Average of atom mass units for all isotopes of an atom
- 16. Fluid that contains a dissolved solid
- 19. The ability of an atom to attract electrons toward itself in a chemical bond
- 21. Weak bond that arises between a slightly positive hydrogen atom of one molecule and a slightly negative atom of another molecule
- 23. The outer electron shell of an atom
- 24. A set of symbols showing the composition of a chemical compound
- 26. Negative subatomic particle, moving about in an energy level around the nucleus
- 27. Symbol of an atom
- 35. molecules tending to rise the hydrogen ion concentration in a solution and thus to lower its pH numerically