Element or Compound

Front

What is the definition of an element in chemistry?

Back

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

Front

What is the definition of a compound in chemistry?

Back

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

Front

Give an example of an element and its chemical symbol.

Back

An example of an element is Carbon, with the chemical symbol C.

Front

Give an example of a compound and its chemical formula.

Back

An example of a compound is Water, with the chemical formula H2O.

Front

What distinguishes an element from a compound?

Back

An element consists of only one type of atom, while a compound consists of two or more different types of atoms chemically bonded.

Front

What is the chemical symbol for Hydrogen?

Back

The chemical symbol for Hydrogen is H.

Front

What is the chemical formula for Carbon Dioxide?

Back

The chemical formula for Carbon Dioxide is CO2.

Front

Can a compound be broken down into simpler substances? If so, how?

Back

Yes, a compound can be broken down into simpler substances through chemical reactions.

Front

What is the significance of the periodic table in relation to elements?

Back

The periodic table organizes all known elements based on their atomic number, electron configuration, and recurring chemical properties.

Front

What is a diatomic molecule? Give an example.

Back

A diatomic molecule is a molecule composed of two atoms, which can be of the same or different elements. An example is O2 (Oxygen).