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化学物质和性质

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catalyst
2-
buffer
3-
reactant
4-
reagent
5-
noble gas
6-
inert gas
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halogen
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polythene
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polystyrene
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phosphorous
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acetone
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alginate
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silicate
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graphene
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malic acid
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citric acid
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phosphate
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charm quark
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disinfectant
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bicarbonate
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solute
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saturated
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ethereal
24-
inorganic
25-
solvent
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alkaline
27-
saline
catalyst
名词
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(促进剂)

(促进剂)

催化剂

(chemistry) a substance that causes a chemical reaction to happen at a faster rate without undergoing any chemical change itself

anticatalyst
example
示例
Click on words
Enzymes are naturally occurring biological catalysts that allow complex metabolic reactions to proceed efficiently in living cells.
Platinum nanoparticles acted as an effective catalyst for the reaction, significantly lowering the activation energy needed.
buffer
名词
b
b
u
ə
ff
f
e
ɜ
r
r
(缓冲剂)

(缓冲剂)

缓冲溶液

a solution containing a weak acid and its conjugate base, or a weak base and its conjugate acid, which maintains a stable pH when small amounts of acid or base are added

reactant
名词
r
r
ea
ɪæ
c
k
t
t
a
ə
n
n
t
t
(反应剂)

(反应剂)

反应物

a substance that takes part in and undergoes a chemical reaction, leading to the formation of new products

reagent
名词
uk flag
/ˈɹidʒənt/, /ɹiˈeɪdʒənt/
(反应剂)

(反应剂)

试剂

a substance or compound used in a chemical reaction to detect, examine, or produce other substances

noble gas
名词
uk flag
/nˈoʊbəl ɡˈæs/
(贵气体)

(贵气体)

惰性气体

any of the elements in Group 18 of the periodic table, including helium, neon, argon, krypton, xenon, and radon, characterized by their inert nature and stable electron configurations

语法信息:

复合名词
inert gas
名词
uk flag
/ɪnˈɜːt ɡˈæs/
(惰性气体组)

(惰性气体组)

惰性气体

a group of non-reactive gases that typically exhibit low chemical reactivity due to their stable electron configurations

halogen
名词
h
h
a
æ
l
l
o
ə
g
ʤ
e
ə
n
n
(卤族元素)

(卤族元素)

卤素

a type of chemical element found in Group 17 of the periodic table, known for being highly reactive and commonly used in disinfectants and lights

polythene
polythene
名词
p
p
o
ɑ:
l
l
y
ɪ
th
θ
e
i:
n
n
e
(聚乙烯材料)

(聚乙烯材料)

聚乙烯

a durable plastic material used for packaging, bags, and various applications

What is "polythene"?

Polythene, also known as polyethylene, is a lightweight, durable, and flexible plastic material widely used in packaging, containers, and various household items. It is one of the most common types of plastic, known for its versatility, moisture resistance, and strength. Polythene is commonly used to make plastic bags, bottles, food wraps, and insulation materials. It comes in various forms, including low-density and high-density, each with different properties suited for specific applications. Polythene is valued for its ability to protect and preserve goods, its ease of production, and its recyclability.

polystyrene
名词
p
p
o
ɑ
l
l
y
i
s
s
t
t
y
r
r
e
i
n
n
e
(泡沫塑料)

(泡沫塑料)

聚苯乙烯

a lightweight and versatile synthetic polymer used in packaging, insulation, and disposable products

phosphorous
形容词
ph
f
o
ɑ
s
s
ph
f
o
ɜ
r
r
ou
ə
s
s
(含磷的)

(含磷的)

磷的

referring to the essential chemical element phosphorus, which is vital in biological processes and various industrial applications

acetone
名词
a
æ
c
s
e
ə
t
t
o
n
n
e
(乙酮)

(乙酮)

丙酮

a colorless, volatile liquid solvent commonly used for removing nail polish and other substances from surfaces

What is "acetone"?

Acetone is a widely used solvent in personal care, particularly for nail care. It is commonly used as a nail polish remover due to its ability to effectively dissolve and remove nail polish from the nails. Acetone is known for its quick evaporation and strong cleaning properties, making it a popular choice for removing stubborn nail polish. However, it is important to use acetone with caution and in moderation to prevent excessive drying of the nails and surrounding skin.

alginate
名词
a
æ
l
l
g
ʤ
i
i
n
n
a
t
t
e
(海藻酸)

(海藻酸)

海藻酸盐

a naturally occurring polysaccharide derived from brown seaweed, commonly used in various industries for its thickening, gelling, and stabilizing properties

silicate
名词
s
s
i
ɪ
l
l
i
ə
c
k
a
t
t
e
(硅酸矿)

(硅酸矿)

硅酸盐

a compound containing silicon and oxygen atoms, often forming minerals or glasses, with diverse applications in industry and nature

graphene
名词
g
g
r
r
a
æ
ph
f
e
i:
n
n
e
(单层碳)

(单层碳)

石墨烯

a single layer of carbon atoms arranged in a two-dimensional honeycomb lattice, known for its exceptional strength, electrical conductivity, and flexibility

malic acid
名词
uk flag
/mˈælɪk ˈæsɪd/
(苹果酸盐)

(苹果酸盐)

苹果酸

a naturally occurring organic compound found in many fruits that contributes to their sour taste

citric acid
名词
uk flag
/sˈɪtɹɪk ˈæsɪd/
(酸柠檬)

(酸柠檬)

柠檬酸

a weak organic acid found naturally in citrus fruits like lemons, oranges, and limes, commonly used as a food additive for flavoring and preserving

phosphate
名词
ph
f
o
ɑ
s
s
ph
f
a
t
t
e
(磷酸酯)

(磷酸酯)

磷酸盐

a chemical compound that contains phosphorus and oxygen atoms, commonly found in salts or esters of phosphoric acid, important for biological processes and industrial applications

charm quark
名词
uk flag
/tʃˈɑːɹm kwˈɑːɹk/
(粲夸克)

(粲夸克)

魅夸克

a type of elementary particle that is one of the six types, or flavors, of quarks that has an electric charge of +2/3 and participates in strong and electromagnetic interactions

disinfectant
名词
d
d
i
ɪ
s
s
i
ɪ
n
n
f
f
e
ɛ
c
k
t
t
a
ə
n
n
t
t
(灭菌剂)

(灭菌剂)

消毒剂

something that has specific chemicals or causes a chemical reaction that destroys harmful microorganisms such as bacteria

bicarbonate
名词
b
b
i
c
k
a
ɑ
r
r
b
b
o
ə
n
n
a
ə
t
t
e
(重碳酸盐)

(重碳酸盐)

碳酸氢钠

a chemical compound important for regulating pH balance, found in baking soda and crucial for bodily functions

solute
名词
s
s
o
ɑ
l
l
u
ju
t
t
e
(溶解物)

(溶解物)

溶质

a substance that is dissolved in a solvent, resulting in a solution

saturated
形容词
s
s
a
æ
t
ʧ
u
ɜ
r
r
a
t
t
e
ɪ
d
d
(饱和状态的)

(饱和状态的)

饱和的

having absorbed as much of a substance as possible at a given temperature, reaching its maximum concentration

unsaturated
ethereal
形容词
e
ɪ
th
θ
e
ɪ
r
r
ea
l
l
(蒸发性的)

(蒸发性的)

乙醚的

(of a solution) containing volatile or highly flammable substances, such as diethyl ether

inorganic
形容词
i
ɪ
n
n
o
ɔ
r
r
g
g
a
æ
n
n
i
ɪ
c
k
(无机化合物的)

(无机化合物的)

无机的

describing chemical compounds that do not contain carbon-hydrogen bonds and are typically derived from minerals or non-living matter

organic
solvent
名词
s
s
o
ɑ
l
l
v
v
e
ə
n
n
t
t
(溶液)

(溶液)

溶剂

a liquid that is capable of dissolving another substance

alkaline
形容词
a
æ
l
l
k
k
a
ə
l
l
i
n
n
e
(碱性)

(碱性)

碱性的

refering to substances that have a pH greater than 7, indicating a basic or non-acidic nature

amphoteric
saline
形容词
s
s
a
ə
l
l
i
i
n
n
e
(含盐的)

(含盐的)

盐水的

containing or relating to salt

祝贺! !

您从27 学习了SAT Chemical Substances and Properties Vocabulary 个单词。为了改进学习和复习词汇,请开始练习!

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