atomic number 82
ریشه و کاربرد
ریشه
From the Old English word 'lead', meaning 'the metal'.
مثال
- Lead has an atomic number of 82.
- The atomic number 82 indicates that a lead atom has 82 protons.
- Lead is located in group 14 and period 6 of the periodic table due to its atomic number 82.
تعریف انگلیسی
noun
- a soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull grey “the children were playing with lead soldiers” “Substance Holonyms: galena, cerussite, white lead ore”