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What is Neptunium? ; Neptunium: Summary In Tabular Form ; Neptunium is a radioactive chemical element with the symbol Np […]

f What is Polyethylene Terephthalate? Polyethylene Terephthalate – Definition: Polyethylene terephthalate (PET) is a type of polyester made from the […]

What is Anthracite? Anthracite – Definition: Anthracite is a hard, black, shiny coal that is used to produce coke, gas, […]

What is a mixture? What is a Mixture? Definition: A mixture is a physical combination of two or more substances. […]

What is Barium Bromide? Barium Bromide is a chemical compound made up of Barium and Bromide ions. It is a […]

Introduction to Sorting Materials into Groups ; Properties of Materials Sorting materials into groups is a way of organizing them […]

What are Polymers? Polymers are long chains of repeating molecules. The molecules can be made of a variety of different […]

Smog Photochemical Smog: Smog is a type of air pollution. It is a mixture of air pollutants, including sulfur dioxide, […]

Introduction to Halon ; Halon is a type of fire suppressant that was once used in a number of industries, […]

Relative Molecular Mass Definition Chemistry The relative molecular mass (M r ) of a molecule is the sum of the […]