EL SALVADOR: ANNIVERSARY OF ROMERO ASSASSINATION

The video begins with an introduction and a brief discussion about family. It then transitions into an explanation of what a metalloid is, providing a basic understanding of this chemical classification.

What was the main topic discussed by Monsieur Romero?

• A new scientific discovery

• A farewell message

• A cooking recipe

• A historical event

What was the subject of the discussion related to the family?

• A family business

• A family reunion

• A family bunker

• A vacation plan

Which of the following best describes a metalloid?

• A type of metal

• A rare earth element

• A type of non-metal

• An element with properties of both metals and non-metals

What is the primary characteristic of metalloids?

• They are found only in nature

• They have mixed properties of metals and non-metals

• They are excellent conductors

• They are highly reactive

Which element is commonly classified as a metalloid?

• Oxygen

• Silicon

• Gold

• Helium