Covalent Compounds and Electron Sharing

The video tutorial explains whether hydrogen sulfide (H2S) is an ionic or covalent compound. It is determined to be a covalent compound, also known as a molecular compound, because it consists of non-metal elements: hydrogen and sulfur. The video uses the periodic table to illustrate this point and explains that in covalent compounds, atoms share electrons to fulfill their valence requirements. Specifically, in H2S, hydrogen and sulfur share electrons to satisfy the octet rule for sulfur and provide hydrogen with two valence electrons.

What type of compound is hydrogen sulfide (H2S)?

• Metallic

• Covalent

• Ionic

• Polymeric

Why is H2S considered a covalent compound?

• It contains a metal and a non-metal

• It is composed of two non-metals

• It has a high melting point

• It conducts electricity in solution

Which elements in H2S are non-metals?

• Hydrogen and Oxygen

• Sulfur and Oxygen

• Sulfur and Nitrogen

• Hydrogen and Sulfur

How do hydrogen and sulfur atoms in H2S achieve stability?

• By gaining electrons

• By forming ionic bonds

• By sharing electrons

• By transferring electrons

What rule is fulfilled by the sharing of electrons in H2S?

• Hund's Rule

• Pauli Exclusion Principle

• Octet Rule

• Aufbau Principle