Mid ter

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means. It consists of only one type of atom.

Front

What is a compound?

Back

A compound is a substance formed when two or more different elements are chemically bonded together. It has a fixed composition.

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a combination of two or more substances that remain distinct and can be physically separated. The components can be seen and are not uniformly distributed.

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture in which the composition is uniform throughout. The different components are not visible and cannot be easily separated.

Front

What are IUPAC nomenclature rules?

Back

IUPAC nomenclature rules are standardized guidelines for naming chemical compounds, ensuring that each compound has a unique and descriptive name.

Front

What is the chemical formula for water?

Back

The chemical formula for water is H₂O, indicating it is composed of two hydrogen atoms and one oxygen atom.

Front

What is potassium oxide?

Back

Potassium oxide is a chemical compound with the formula K₂O, formed from the reaction of potassium with oxygen.

Front

What is pentanitrogen heptoxide?

Back

Pentanitrogen heptoxide is a chemical compound with the formula N₅O₇, consisting of five nitrogen atoms and seven oxygen atoms.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

What is a chemical bond?

Back

A chemical bond is a lasting attraction between atoms, ions, or molecules that enables the formation of chemical compounds.