REVIEW: ELEMENTS PROPERTIES OF METAL, NON METALS AND METALLOIDS

Which of the following is an example of a mixture?

• air
• magnesium chloride
• ron rod
• gold bar

What is the simplest form of matter that cannot be broken down to anything simpler?

• element
• compound
• solution
• colloids

What term is used to describe the substance which consists of two or more elements which have been combined physically?

• element
• compound
• mixture
• atom

Which samples are non-metallic elements?

• B
• C
• B and C
• A and B

Which samples are metallic elements?

• A
• B
• A and C
• A and D

Which of the following examples DOES NOT show malleability?

• soda can
• glass
• aluminum foil
• house roofs

Which property is possessed by non-metal?

• lustrous
• brittle
• high melting point
• sonorous

What property do copper possess that they are used commonly in wires?

• brittleness
• malleability
• good conductors
• insulators

Silicon is an example of a metalloid What property does metalloids possess?

• They are good conductors.
• They are shiny in appearance.
• They have fixed boiling and melting points.
• They are sonorous and produce loud sounds.

Which property of metals is described to show a shiny appearance?

• luster
• conductor
• brittle
• sonorous