Question | Answer |
Element | A pure substance that cannot be separated into simpler substances by physical or chemical means |
Pure Substance | A substance in which there is only one type of particle |
Metals | Elements that are shiny |
Nonmetals | Elements that are dull |
Metalloids | Elements which are also called semiconductors that have similar properties to both metals and nonmetals |
Mixture | A combination of two or more substances that are not chemically combined |
Compound | A pure substance composed of two or more elements that are chemically combined |
Solution | A mixture that appears to be a single substance but is composed of particles of two or more substances that are distributed evenly amongst each other |
Solute | The substance that is dissolved |
Solvent | The substance in which the solute is dissolved |
Alloys | Solid solutions of metals or nonmetals dissolved in metals |
Concentration | Measure of the amount of solute dissolved in a solvent |
Solubility | The amount of solute needed to make a saturated solution using a given amount of solvent at a certain temperature |
Suspension | A mixture in which particles of a material are dispersed throughout a liquid or a gas but are large enough that they settle out |
Colloid | A mixture in which the particles are dispersed throughout but are not heavy enough to settle out |
Ions | Charged particles that form when an atom gains or loses electrons |
Metallic bond | The bond formed between positively charged metal ions and the electrons around them |
Pure substance | A sample of matter ether a single element or a single compound |
Molecule | The smallest unit of a substance that keeps all of the physical and chemical properties of that substance |
Chemical symbol | Shortened way of writing the name of an element |