Chemistry Class X - Metals and Nonmetals Revision

What is just so typical of NON-metals?

• They don't know what colours go well together.

• Malleable.

• Form acidic oxides.

• Good conductors of electricity.

• High melting points.

A metal high in the reactivity series.....

• Forms unstable compounds.

• Can be obtained by the reduction of the ore with the carbon.

• Readily gains electrons.

• Burns to form basic oxides.

• Reacts readily with cold water to form Hydrogen.

Which of the following is true of all metals?

• They react with acids to form Hydrogen

• They are denser than water

• They conduct electricity

• They're silver in colour.

Where are the non-metallic elements found in the periodic table?

• In the middle
• In the top rows
• On the left-hand side
• On the right-hand side

A metal  which occur in free state
 

• gold 
• zinc 
• lead 
• calcium

Metalloids _____________

• have no properties of metals.
• have no properties of nonmetals.
• have some properties of both metals and nonmetals.
• none of the above

Which of these elements is unlikely to be found native?

• gold
• platinum
• aluminium
• silver

What is a conductor?

• Heat and electricity move through them easily
• able to be drawn into a wire
• able to be hammered into different shapes
• shiny

If a student observes a silvery solid that is malleable, good conductor, and ductile it is a...

• nonmetal 
• metal 
• metalloid

Which type of elements are used in computer chips, lasers, and transistors?

• Metals
• Nonmetals
• Metalloids
• Metals and Metalloids