C2.6 - The Transition Elements (Finishedish)

Question 1

Where are the transition elements found in the periodic table?

Answer 1

In the middle

Question 2

Between what groups are the transition elements?

Answer 2

Groups 2 and 3

Question 3

Give 2 typical (physical) properties of the transition elements?

Answer 3

• Good conductors of electricity and heat
• They are hard and strong
• They have high densities
• They have high melting points

Question 4

Why does the name of a compound containing a transition metal often contain a Roman numeral (III)?

Answer 4

Because transition metals can have more than one ion. For example cobalt forms CO 2+ and CO 3+ ions. The number shows the number of electrons in their outermost shell

Question 5

Transition metal compounds often make good _____. Making them very important in the ______ industry

Answer 5

Catalysts, chemical

Question 6

What is nickel used as a catalyst in?

Answer 6

Manufacture of margarine

Question 7

How is mercury unlike most transition metals?

Answer 7

It is liquid at room temperature, while typical transition metals have very high boiling and melting points

Question 8

Transition ions are often _____ so compounds containing them are ______

Answer 8

Coloured, colourful