Molecule

The video tutorial explains the composition of molecules, which can consist of atoms from a single element, like oxygen, or from different elements, such as in water (H2O). It also introduces complex organic compounds like DNA, highlighting the diversity and complexity of molecular structures.

What is a molecule that consists of atoms from only one element called?

• Compound

• Alloy

• Single Element Molecule

• Mixture

Which of the following is an example of a molecule made from different elements?

• Helium (He)

• Water (H2O)

• Oxygen (O2)

• Nitrogen (N2)

What is the chemical formula for water?

• H2O

• O2

• CO2

• NaCl

Which of the following is an example of a complex organic compound?

• Salt

• Oxygen

• Water

• DNA

What type of molecules can DNA be classified as?

• Simple Molecule

• Single Element Molecule

• Inorganic Compound

• Complex Organic Compound