Question | Answer | question | answer |
substance | physical matter or material | proton | a positively charged elementary particle |
molecule | the smallest physical unit of an element or compound, consisting of one or more like atom | neutron | an elementary particle having no charge, |
compound | composed of two or more parts, elements, or ingredients: | electon | having a negative charge |
mixture | any combination or blend of different elements, kinds, qualities, etc. | isotope | any of two or more forms of a chemical element, having the same number of protons in the nucleus, |
heterogeneous mixture | any combination of substances that does not have uniform composition and properties; a mixture of physically | atomic number | atom of a given element, and therefore also the number of electrons normally surrounding the nucleus |
eletron cloud | a cloudlike group of electrons | ion | an electrically charged atom or group of atoms formed by the loss or gain of one or more electrons, |
element | one of a class of substances that cannot be separated into simpler substances by chemical means. | | |
matter | anything with mass | Homogeneous Mixture | any combination of substances that has uniform composition and properties; a mixture that is uniform throughout |
atom | the smallest element | nucleus | a specialized, usually spherical mass of protoplasm encased in a double membrane, and found in most living eukaryotic cells, |