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Chemistry Vocabulary Set in IELTS Academic (Band 5): Full and Detailed List

The 'Chemistry' vocabulary set in 'IELTS Academic (Band 5)' is carefully selected from standard international textbook sources, helping you master vocabulary in a short time. Comprehensive compilation of definitions, illustrative examples, and standard pronunciation...

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atom

/ˈæt̬.əm/

Example:

Water is made up of hydrogen and oxygen atoms.

molecule

/ˈmɑː.lɪ.kjuːl/

Example:

A water molecule consists of two hydrogen atoms and one oxygen atom.

element

/ˈel.ə.mənt/

Example:

Trust is a key element in any relationship.

ion

/ˈaɪ.ɑːn/

Example:

Sodium chloride dissolves in water to form sodium ions and chloride ions.

reaction

/riˈæk.ʃən/

Example:

His immediate reaction was to call for help.

mixture

/ˈmɪks.tʃɚ/

Example:

The cake batter is a mixture of flour, sugar, and eggs.

acid

/ˈæs.ɪd/

Example:

Sulfuric acid is a strong corrosive substance.

base

/beɪs/

Example:

The statue stood on a marble base.

gas

/ɡæs/

Example:

Natural gas is used for heating homes.

liquid

/ˈlɪk.wɪd/

Example:

Water is a clear liquid.

solid

/ˈsɑː.lɪd/

Example:

The ice was solid enough to walk on.

transition

/trænˈzɪʃ.ən/

Example:

The company is undergoing a major transition to new management.

pH

/ˌpiːˈeɪtʃ/

Example:

The ideal pH for swimming pool water is between 7.4 and 7.6.
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