Physical Science - Module 4

4. The phenomenon that occurs when individual molecules are so strongly attracted to each other that they tend to stay together, even when exposed to tension
5. Many of water's unique features can be explained by __ bonding that it undergoes.
6. A process by which scientists try to reproduce each others' work in order to spot errors that the original scientist(s) did not recognize
7. Each element is represented by a chemical ___, which is a one or two letter abbreviation that typically originates from the English or Latin name for the element.
8. The use of electricity to break a molecule down into smaller units
10. Each molecule is represented by a chemical ___, which incorporates the symbols and subscripts to indicate the composition of the molecule.
11. A substance that is dissolved ina solvent

1. The chemical formulas of molecules and/or elements undergoing a reaction are expressed in a chemical equation, which must be __ to show conservation of mass.
2. A molecule that has slight positive and negative charges due to an imbalance in the way electrons are shared
3. Water that has certain dissolved ions in it - predominantly calcium and magnesium ions
9. A liquid substance capable of dissolving other substances