质量数

质量数
zhìliàngshù

atomic weight of an element

2 meanings
MEANING2 meanings

MEANING

  1. 壹名noun

    atomic weight of an element

    • ？

      What is the mass number of this element?

  2. 貳名noun

    atomic mass

    • 。

      The mass number is the total number of protons and neutrons in an atomic nucleus.

STROKE ORDER
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STRUCTURE
⿸(surround upper-left)
厂
⿱(top-bottom)
十
贝
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