atomic number 8
ریشه و کاربرد
ریشه
From the Latin word 'oxygenium', meaning 'acid producer'.
مثال
- Oxygen has an atomic number of 8.
- The atomic number 8 indicates that an oxygen atom has 8 protons.
- Oxygen is located in group 16 and period 2 of the periodic table due to its atomic number 8.
تعریف انگلیسی
noun
- a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust “Substance Holonyms: water, H2O, air, ozone”