Metals and Non Metals

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

• Metals
• Nonmetals
• Metalloids
• Metals and Metalloids

Tags

NGSS.HS-PS1-1

Identify the correct group of soft metals from the following

• Sodium, Alluminium and Copper

• Sodium, Potassium and Lithium

• Copper, Manganese and Magnesium

• Zinc, Barium and Lithium

Tags

NGSS.HS-PS1-1

Zn, Fe, Al and Mg. When we arrange these elements in the ascending order of their

reactivity series we get

• Mg < Al < Zn < Fe

• Al < Mg < Fe < Zn

• Zn < Al < Mg < Fe

• Fe < Zn < Al < Mg

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

Which of the following is a property of a non-metal?

• Conducts electricity and heats well
• Can be hammered into thin sheets
• Is brittle and breaks easily
• Has a shiny, metallic luster

Tags

NGSS.HS-PS1-1

The list which contains only metals is .......

• aluminium, copper, nitrogen
• iron, oxygen, hydrogen
• iron, silver, aluminium
• iron, sulphur, copper

_____ is used in vulcanization of rubber

• Sodium

• Chlorine

• Sulphur

• Iodine

_______ are used in match sticks heads

• Nickel and Phosphorus

• Phosphorus and Neon

• Gold and Sulfur

• Phosphorus and Sulfur

Tags

NGSS.HS-PS1-2

The solution of ash of magnesium ribbon is

• acidic      

• basic             

• neutral     

• all of these

Tags

NGSS.HS-PS1-2

  Which of the following metal is generally extracted by electrolysis ?

• Zn

• Al

• Fe                     

• Cu