Vocabulary for IELTS Academic (Band 6-7) - Chemistry

Here, you will learn some English words related to Chemistry that are necessary for the Academic IELTS exam.

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Vocabulary for IELTS Academic (Band 6-7)

solution [noun]

a mixture of different liquids

Ex: Chemists often study solutions to understand how different substances interact .

solvent [noun]

a liquid that is capable of dissolving another substance

Ex:

periodic table [noun]

a tabular arrangement of chemical elements organized based on their atomic number, electron configuration, and recurring chemical properties

Ex: The periodic table is divided into groups ( columns ) and periods ( rows ) , each with specific characteristics and trends in properties .

isotope [noun]

each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, leading to variation in atomic mass

Ex: Uranium-235 and uranium-238 are isotopes of uranium , playing crucial roles in nuclear fission reactions .

halogen [noun]

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

Ex: Bromine , a halogen with properties similar to chlorine , is employed as a disinfectant in swimming pools and hot tubs .

noble gas [noun]

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

Ex: Argon , a noble gas commonly used in welding , provides an inert atmosphere to prevent the oxidation of metals during the process .

emulsion [noun]

a mixture of two liquids where tiny droplets of one are evenly dispersed in the other, like oil in water

Ex: Milk is a natural emulsion of fat in water , stabilized by proteins like casein to prevent the fat from separating .

half-life [noun]

the time required for half of a quantity of a substance to undergo a change or decay, typically in the context of radioactive decay or chemical reactions

Ex: The half-life of a chemical reaction refers to the time it takes for the reactant concentration to decrease by half during a reaction .

radioactivity [noun]

the emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei in radioactive substances

Ex: Marie and Pierre Curie conducted pioneering research on radioactivity , discovering the elements polonium and radium .

depleted uranium [noun]

a type of uranium that has most of its more radioactive isotopes removed, primarily used for armor-piercing ammunition and shielding

Ex: The military uses depleted uranium in armor-piercing ammunition and armor plating due to its high density and ability to penetrate armor .

Vocabulary for IELTS Academic (Band 6-7)
Size and Scale	Dimensions	Weight and Steadiness	Increase in Amount
Decrease in Amount	Intensity	Time and Duration	Space and Area
Shapes	Speed	Significance	Insignificance
Strength and Influence	Uniqueness	Commonness	Complexity
High Quality	Low Quality	Value	Challenges
Wealth and Success	Poverty and Failure	Age and Appearance	Body Shape
Wellness	Intellectual Capability	Intellectual Incapabilities	Positive Human Traits
Negative Human Traits	Moral Traits	Financial Behaviours	Social Behaviours
Short-tempered Traits	Positive Emotional Responses	Negative Emotional Responses	Positive Emotional States
Negative Emotional States	Tastes and Smells	Sounds	Textures
Temperature	Probability	Attempt and Prevention	Opinions
Thoughts and Decisions	Encouragement and Discouragement	Knowledge and Information	Request and Suggestion
Respect and Approval	Regret and Sadness	Relational Actions	Physical Actions and Reactions
Body Language and Gestures	Postures and Positions	Movements	Engaging in Verbal Communication
Understanding and Learning	Perceiving The Senses	Commanding and Giving Permissions	Predicting
Touching and Holding	Changing and Forming	Creating and Producing	Organising and Collecting
Preparing Food	Eating and Drinking	Science	Education
Research	Astronomy	Physics	Biology
Chemistry	Geology	Philosophy	Psychology
Maths and Graphs	Geometry	Environment	Landscape and Geography
Engineering	Technology	Internet and Computer	Manufacture and Industry
History	Religion	Culture and Custom	Language and Grammar
Arts	Music	Film and Theatre	Literature
Architecture	Marketing	Finance	Management
Medicine	Sickness and Symptoms	Law	Energy and Power
Crime	Punishment	Government	Politics
Measurement	War	Positive Emotions	Negative Emotions
Travel and Tourism	Migration	Food and Drinks	Materials
Pollution	Disasters	Weather	Animals
Adverbs of Manner	Adverbs of Degree	Adverbs of Comment and Certainty	Adverbs of Time and Frequency
Adverbs of Purpose and Emphasis	Conjunctive Adverbs