Properties and Exceptions of Non-Metals

The video tutorial discusses the physical properties of non-metals, highlighting their states of matter, lack of luster, and exceptions like iodine. It covers the hardness of non-metals, with diamond as an exception, and their general non-conductivity of electricity, except for graphite. The tutorial provides a comprehensive overview of these properties, emphasizing the unique characteristics of certain non-metals.

Which non-metal is an exception by existing in a liquid state?

• Iodine

• Sulfur

• Bromine

• Carbon

Which non-metal is known for having a shiny appearance?

• Iodine

• Oxygen

• Phosphorus

• Sulfur

What is the hardest known form of carbon?

• Diamond

• Fullerene

• Graphite

• Charcoal

Which non-metal is an exception to being a non-conductor of electricity?

• Neon

• Phosphorus

• Sulfur

• Graphite

What is a common property of most non-metals regarding electrical conductivity?

• They are good conductors

• They are superconductors

• They are semi-conductors

• They are non-conductors