Chapter 3 : Elements_2

What is true about the elements?

• A pure substance with more than one type of atoms

• A pure substance with only one type of atoms

• A pure substance without any atoms

• A semi-pure substance with one type of atoms

What is the State of metals?

• Solid

• Solid, liquid, and gas

What is the State of Non-metals?

• Solid

• Solid, liquid, and gas

What is true about Non-metals?

• Sonorous

• Shiny surface

• Brittle

• High boiling points

What is true about Metals?

• Liquid or solid or gas

• Not sonorous

• Some are Insulators and some are conductors.

• Shiny surface

What is true about Metalloids?

• Liquid or solid or gas

• Not sonorous

• Some are Insulators and some are conductors.

• Shiny surface

"Si has a silver solid and shiny surface. Si is difficult to break and burn."

From the given information, what types of elements is it?

• Metals

• Non-metals

• Metalloids

"The unknown element has a solid-state and high boiling point. When you beat it, it causes not sonorous "

From the given information, what types of elements is it?

• Metals

• Non-metals

• Metalloids

"Iodine has purple solid and shiny. The ductility is brittle. Electrical conductivity is an insulator. The melting and boiling points are 113.5 and 184.5 ⁰C accordingly."

From the given information, what types of elements is it?

• Metals

• Non-metals

• Metalloids

"O is colorless gas. Electrical conductivity is an insulator. The melting and boiling points are -7 and 59 ⁰C accordingly."

From the given information, what types of elements is it?

• Metals

• Non-metals

• Metalloids