核素

hésù

noun

Meanings

1 nuclide (physics: an atomic species defined by its number of protons and neutrons)

Characters

element / basic substance

Examples

放射性核素被广泛用于医学诊断。

Fàngshèxìng hésù bèi guǎngfàn yòng yú yīxué zhěnduàn.

Radioactive nuclides are widely used in medical diagnostics.

碳-14是一种天然存在的核素。

Tàn shísì shì yī zhǒng tiānrán cúnzài de hésù.

Carbon-14 is a naturally occurring nuclide.

Tips

usage

Distinguish: 同位素 (tóngwèisù, isotope) = nuclides of the same element; 核素 (nuclide) = any specific proton/neutron combination. All isotopes are nuclides, but the terms are not interchangeable.

Stroke Order

核 hé

素 sù