|Solid nonmetals are brittle, whereas metals are ____.
|Salt water is a both a homogeneous mixture and an ____ solution.
|Iron rusting, milk souring, and wood burning are ____ changes.
|Salts and sugars dissolve in water and thus are water ____.
|All solutions (salt water) and alloys (steel) are ____ mixtures.
|An ____ reaction absorbs heat energy and thus will feel cold.
|Salt, sand, diamonds, and snowflakes are ____ solids.
|Fats and oils are ____ because they are water insoluble.