atomic number 89

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 89 is specific to the element being referred to.

مثال

• Actinium has an atomic number of 89.
• Atomic number 89 corresponds to the element actinium.
• The atomic number 89 indicates the number of protons in an actinium atom.