simple substance; elemental substance; chemical element
Tone colorsmāmámǎmàma
Meanings
1 sense · 4 examplesnoun
simple substance; elemental substance; pure chemical element
technicalIn chemistry, a pure substance consisting of only one type of atom. Distinguished from compounds (化合物). Some elements can form different allotropes (同素异形体), such as white phosphorus and red phosphorus for phosphorus, or diamond and graphite for carbon.
Yǎng氧
qì气
shì是
yóu由
yǎng氧
yuán元
sù素
zǔ组
chéng成
de的
dān单
zhì质
。
Oxygen gas is a simple substance composed of oxygen elements.
Jīn金
gāng刚
shí石
hé和
shí石
mò墨
dōu都
shì是
tàn碳
de的
dān单
zhì质
。
Diamond and graphite are both elemental forms of carbon.
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Tiě铁
shì是
yī一
zhǒng种
cháng常
jiàn见
de的
jīn金
shǔ属
dān单
zhì质
。
Iron is a common metallic simple substance.
Bái白
lín磷
hé和
hóng红
lín磷
shì是
lín磷
yuán元
sù素
de的
bù不
tóng同
dān单
zhì质
。
White phosphorus and red phosphorus are different elemental forms of the element phosphorus.