| Question |
Answer |
| analysis | Breaking down materials into simpler substances for study. |
| atom | The fundamental particle of an element. |
| colloids | Heterogeneous mixtures in which particles of one substance are partially dispersed in another substance. |
| compound | A substance formed when two or more atoms of different elements chemically join together. |
| diatomic molecule | A molecule formed of two identical atoms bonded together. |
| element | Any substance that cannot be broken down into simpler substances by ordinary chemical means. |
| heterogeneous mixture | A mixture with different appearances in different parts. |
| homogeneous mixture | A mixture that appears the same throughout. |
| mixture | A physical combination of two or more pure substances. |
| molecular formula | It gives the number of atoms of each element in a molecule. |
| molecules | A particle made up of two or more atoms chemically joined together; a particle formed by a limited number of atoms bonded covalently; the basic unit of a covalent compound. |
| pure substances | A substance that is made up of only one kind of particle and is the same throughout. |
| solution | A homogeneous mixture of two or more substances. |
| suspension | A heterogeneous mixture consisting of small particles spread throughout a liquid or gaseous medium, from which they will eventually settle out. |
| symbols | A scientific abbreviation for the name of an element; consists of one or two letters with the first letter always capitalized. |
| Tyndall effect | When light passes through a liquid, the light will not be dispersed; an observation showing the presence of a true solution. |
Science Vocab 147928
