mass number

ریشه

The word 'mass' comes from the Latin word 'massa' meaning 'lump' or 'mass'. 'Number' comes from the Latin word 'numerus' meaning 'number'.

مثال

• The mass number of carbon-12 is 12.
• Isotopes of an element have different mass numbers.
• The mass number determines the atomic mass of an atom.

ترکیب‌های رایج

Determine the mass number Calculate the mass number Change the mass number Mass number of an atom