atomic weight

atomic weight读音音标

英 [əˈtɔmik weit]

美 [əˈtɑmɪk wet]

atomic weight意思解释

n.

原子量，各种元素原；

英英释义

n.

(chemistry) the ratio of the atomic mass of an element to half the atomic mass of carbon

同义词：relative atomic mass

双语例句

Atoms of the same element that differ in their atomic weight are called isotopes.具有不同原子量的同一种元素被称为同位素。Electrons weigh very little, so they aren\'t even counted in the atomic weight.电子非常轻，因此在原子量中甚至没有计算它。