chemical element
Tone colorsmāmámǎmàma
Meanings
1 sense · 4 examplesnoun
chemical element; a pure substance consisting of atoms with the same atomic number
technicalFundamental concept in chemistry referring to substances that cannot be broken down into simpler substances by chemical means, such as oxygen, gold, or carbon.
Qīng氢
shì是
huà化
xué学
yuán元
sù素
zhōu周
qī期
biǎo表
zhōng中
de的
dì第
yī一
gè个
huà化
xué学
yuán元
sù素
。
Hydrogen is the first chemical element in the periodic table.
Mù目
qián前
yǐ已
zhī知
de的
huà化
xué学
yuán元
sù素
yǒu有
duō多
shǎo少
zhǒng种
？
How many chemical elements are currently known?
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Jīn金
、
yín银
、
tóng铜
dōu都
shì是
zhòng重
yào要
de的
huà化
xué学
yuán元
sù素
。
Gold, silver, and copper are all important chemical elements.
Yǎng氧
shì是
yī一
zhǒng种
cháng常
jiàn见
de的
huà化
xué学
yuán元
sù素
，
zhàn占
dì地
qiào壳
zhì质
liàng量
de的
jìn近
yī一
bàn半
。
Oxygen is a common chemical element, accounting for nearly half of the Earth's crust by mass.