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 |