Metals & Non Metals - Grade 8 ANNUAL EXAM

Which of these grouping of elements could have the characteristic of luster (shiny)?

• Metal
• Nonmetal
• metalloids
• Both metals and metalloids

Which of these is a property of metals?

• It's malleable
• It can't conduct electricity
• They are used in food
• It's very brittle

Brittle

• Metal
• Nonmetal

Tags

NGSS.HS-PS1-1

Which element is a metalloid?

• Titanium
• Selenium
• Potassium
• Polonium

Iron is a good conductor, malleable and magnetic. What type of element is Iron? 

• Metal
• Nonmetal
• Metalloid
• Pretty

The only non-metal which is liquid at room temperature is

The non-metal which is a very good conductor of electricity.

Which of the following metals is used for making foil to pack foodstuff?

• Aluminium

• Mercury

• Sodium

• Copper

Metals react with oxygen to form:

• Basic oxides

• Acidic oxides

• Neutral oxides

• None of these

Sulphur reacts with oxygen to form:

• Sulphur nitrate

• Sulphur dioxide

• Sulphate

• Sulphide