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Atoms and Elements11
The statue of liberty has stood in New York Harbor for more than one hundred ye
| Question | Answer |
|---|---|
| alchemy | concerned principally with discovering methods for transmuting baser metals into gold |
| hydrogen | a colorless, odorless, flammable gas that combines chemically with oxygen to form water |
| chemical formula | a representation of a substance using symbols for its constituent elements |
| substance | that of which a thing consists; physical matter or material |
| chemical symbol | an abbreviation or short representation of a chemical element; the symbols in the periodic table |
| mass | a body of coherent matter, usually of indefinite shape and often of considerable size |
| matter | the substance or substances of which any physical object consists or is composed: the matter of which the earth is made. |
| ductile | able to undergo change of form without breaking |
| luster | the state or quality of shining by reflecting light; glitter, sparkle, sheen, or gloss |
| nitrogen | a colorless, odorless, gaseous element that constitutes about four-fifths of the volume of the atmosphere |
| oxygen | a colorless, odorless, gaseous element constituting about one-fifth of the volume of the atmosphere and present in a combined state in nature |
| helium | an inert, gaseous element present in the sun's atmosphere and in natural gas |
| neutral | of no particular kind, characteristics |
| experimental | pertaining to, derived from, or founded on experiment |
| investigation | a searching inquiry for ascertaining facts; detailed or careful examination |
| proton | a positively charged elementary particle that is a fundamental constituent of all atomic nuclei |
| neutron | an elementary particle having no charge, mass slightly greater than that of a proton |
| electron | Also called negatron. Physics, Chemistry . an elementary particle that is a fundamental constituent of matter, having a negative charge of 1.602 × 10 −19 coulombs |