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Chem compend questions
| Question | Answer |
|---|---|
| Fundamental types of matter that cannot be converted into other kinds by ordinary chemical means | Elements |
| 2 or more elements chemically united in a definite proportion by weight | compound |
| how many classes of inorganic compounds are there | four |
| what can be separated by a physical method | mixtures |
| state of matter with no definite shape of volume | Gases |
| passage of a solid directly to a gas | sublimation |
| study of matter derived from inanimate of lifeless things | inorganic chemistry |
| occupies space and has mass | matter |
| science of the nature of matter and the changes matter undergoes | chemistry |
| 2 or more substances combined together but are NOT chemically combined for a | mixture |
| freezing point of water | 0 degrees Celsius 32 degrees Fahrenheit |
| sluubility specific gravity density | physical properties |
| study of non carbon compounds | inorganic chemistry |
| characteristics observed without altering the composition are | physical properties |
| definite shape and definite volume | solid |
| another name for Biochemistry | physiological chemistry |
| no definite shape but a definite volume | liquid |
| temp at which a solid turns into a liquid | melting point 32 degrees Fahrenheit |
| type of change when composition is altered and new substances are formed | chemical changes |
| simplest for of matter | elements |
| standard unit of volume | (L) liter |
| the atmosphere we live in is | a mixture |
| area of chemistry involving living precesses | biochemistry |
| characteristics of substances as they occur in nature | physical properties |
| heterogeneous combination of two or more substances | mixture |
| homogeneous mixture of two or more substances | solution |
| chemical combination of 2 or more elements in a definite proportion by weight | compound |
| simplest form of matter | element |
| normal body temp in C | 37 degrees Celsius |