Explore 8 English words about chemistry with pronunciation, definitions and example sentences.
a substance that is composed of only one type of atom, typically characterized by specific physical and chemical properties
"Gold is a precious element."
"Oxygen is a vital element for all known forms of life."
(chemistry) a process in which several chemicals combine and form different substances
"Chemicals cause reaction."
"The chemical reaction produced a gas and heat."
(chemistry) a combination of two or more substances without forming a chemical bond or any chemical reaction
"Salt and water mixture."
"Boyle's air pump prepared the ground for understanding the atmosphere as a mixture of gases."
a water-soluble chemical substance that contains Hydrogen and has a sour taste or corrosive feature with a PH less than 7
"Lemon juice contains high amounts of citric acid."
"Acid rain caused by industrial pollution can severely damage forests and aquatic ecosystems."
(chemistry) a substance that can accept protons, donate electrons, or release hydroxide ions in aqueous solution
"Acids and bases react."
"The solution turned red when the base was added."
the state of a substance that is neither solid nor liquid
"Helium is a light gas."
"Natural gas is a fossil fuel used for heating homes and generating electricity in power plants."
a substance such as water that flows freely, unlike a gas or a solid
"Water is a very common liquid."
"When the temperature drops below zero degrees Celsius, the liquid in the lake slowly turns into solid ice."
a substance that is firm and has a certain shape, not like gas or liquid
"Ice is a solid form of water."
"Ice is a solid form of water that melts when heated."
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