Molécula

The video explains how atoms form molecules through covalent bonds. It covers molecules made of single elements, like oxygen, and those with different elements, such as water. The video also introduces complex organic compounds, including DNA.

What type of bond is primarily responsible for holding atoms together in a molecule?

• Metallic bond

• Hydrogen bond

• Covalent bond

• Ionic bond

Which of the following is an example of a molecule containing atoms of a single element?

• Oxygen (O2)

• Water (H2O)

• Methane (CH4)

• Carbon dioxide (CO2)

What is the composition of an oxygen molecule?

• One carbon and two oxygen atoms

• Two oxygen atoms

• One oxygen and one hydrogen atom

• Two hydrogen atoms

Which of the following is a simple molecule?

• DNA

• Water (H2O)

• Protein

• Glucose

What is an example of a large and complex organic compound?

• DNA

• Salt (NaCl)

• Water (H2O)

• Oxygen (O2)