English Words for "Chemical Substances and Compounds" | ACT Vocabulary

halogen

noun

h

a

æ

l

o

ə

g

ʤ

e

ə

n

Close

Sign in

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

noun

p

o

ɑ:

l

y

ɪ

th

θ

e

i:

n

e

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

noun

p

o

ɑ

l

y

i

s

t

y

aɪ

r

e

i

n

e

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

phosphorus

noun

ph

f

o

ɑ

s

ph

f

o

ɜ

r

u

ə

s

a chemical element that is a vital component of DNA and bone structure, found in dairy products, meat, and nuts, playing a key role in cellular energy transfer

What is "phosphorus"?

Phosphorus is an essential mineral that plays a crucial role in various bodily functions. It is a key component of bones and teeth, providing strength and structure to skeletal tissues. Phosphorus is also involved in energy processing, helping convert food into energy for cellular activities. Additionally, phosphorus plays a role in DNA and RNA production, cell signaling, and maintaining the acid-base balance in the body. Good dietary sources of phosphorus include dairy products, meat, poultry, fish, nuts, seeds, and whole grains.

silicate

noun

s

i

ɪ

l

i

ə

c

k

a

eɪ

t

e

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

citric acid

noun

/sˈɪtɹɪk ˈæsɪd/

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

noun

ph

f

o

ɑ

s

ph

f

a

eɪ

t

e

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

noun

/tʃˈɑːɹm kwˈɑːɹk/

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

bicarbonate

noun

b

i

aɪ

c

k

a

ɑ

r

b

o

ə

n

a

ə

t

e

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

solute

noun

s

o

ɑ

l

u

ju

t

e

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

saturated

Adjective

s

a

æ

t

ʧ

u

ɜ

r

a

eɪ

t

e

ɪ

d

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

unsaturated

ethereal

Adjective

e

ɪ

th

θ

e

ɪ

r

ea

iə

l

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

inorganic

Adjective

i

ɪ

n

o

ɔ

r

g

a

æ

n

i

ɪ

c

k

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

organic

solvent

noun

s

o

ɑ

l

v

e

ə

n

t

a liquid that is capable of dissolving another substance

alkaline

Adjective

a

æ

l

k

a

ə

l

i

aɪ

n

e

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

amphoteric

saline

Adjective

s

a

ə

l

i

n

e

containing or relating to salt

reactant

noun

r

ea

ɪæ

c

k

t

a

ə

n

t

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

catalyst

noun

c

k

a

æ

t

a

ə

l

y

ə

s

t

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

anticatalyst

buffer

noun

b

u

ə

ff

f

e

ɜ

r

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

reagent

noun

/ˈɹidʒənt/, /ɹiˈeɪdʒənt/

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

noble gas

noun

/nˈoʊbəl ɡˈæs/

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

Grammatical Information:

compound noun

inert gas

noun

/ɪnˈɜːt ɡˈæs/

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

Congratulations! !

You learned 22 words from ACT Chemical Substances and Compounds Vocabulary. To improve learning and review vocabulary, start practicing.

Review

Flashcards

Spelling

Quiz