دیکشنری فارسی

atomic number 90

ریشه و کاربرد

ریشه

The term 'atomic' refers to atoms, and 'number' refers to a numerical value assigned to each element based on the number of protons in its nucleus. The number 90 is specific to the element being referred to.

مثال

  • Thorium has an atomic number of 90.
  • Atomic number 90 corresponds to the element thorium.
  • The atomic number 90 indicates the number of protons in a thorium atom.

تعریف انگلیسی

noun
  1. a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands “Substance Holonyms: monazite, thorite”

همین دیکشنری روی گوشی

همهٔ ۲۹۱٬۲۱۲ واژه، بدون نیاز به اینترنت.

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