Reprentative & Transition

Identify which of these elements is a transition element

• H

• Na

• Fe

• Cl

Which of the groups are considered representative or the main groups?

• 1A to 8A

• group 1 to 18

• group 3-12

• d and f block

Which of the groups has a 1- charge

• 1A

• 2A

• 7A

• 8A

What are noble gases generally used for?

• Used to speed up reactions

•  Used to form inert atmospheres and deter reactions

• Used to remove impurities in other substances

• no idea :(

Which of the following isn't a property of Transition metals

• fixed valency

  (fixed amount of valence electrons)

• high melting point

• high density and hardness

• high boiling point

Which is the most suitable material to be used in computer chips

• Copper

• Silicon

• Silver

• Bromine

Which element is used to treat cancer?

• Helium (He)

• Lead (Pb)

• Radon (Rn)

• Neon (Ne)

Which is not a possible danger of representative elements

• Causing burns to the skin

• Causing blindness when entering the eyes

• Extraction of other elements

• Can cause death

Which is not an advantage of alloy (mixed metal) over pure metal?

• Corrosion resistance

• Thermal and electrical conductivity

• More durable

• lower purity of metal

Which of the following does not provide noticeable health benefits

• Plutonium

• Zinc

• Calcium

• Oxygen