atomic number 79
ریشه و کاربرد
ریشه
From the Latin word 'atomus' meaning 'indivisible' and the English word 'number'.
مثال
- The atomic number 79 corresponds to the element gold.
- Gold has an atomic number of 79.
- The atomic number 79 indicates the number of protons in a gold atom.
تعریف انگلیسی
noun
- a soft yellow malleable ductile (trivalent and univalent) metallic element; occurs mainly as nuggets in rocks and alluvial deposits; does not react with most chemicals but is attacked by chlorine and aqua regia “Substance Holonyms: dental gold, sylvanite, graphic tellurium, gold foil, gold leaf, gold”