Group 7 Elements

Question 1

Despite being the least reactive element in Group 7, astatine is..

Accepted Answer

Very radioactive

Question 2

Bonus Question: Group 7 elements are..

Accepted Answer

Awesome!

Question 3

As we go down Group 7, the general trend is that melting/boiling point..

Accepted Answer

Increases

Question 4

Which group 7 element has the symbol "Br"?

Accepted Answer

Bromine

Question 5

Group 7 elements (halogens) are..

Accepted Answer

Non-metals

Question 6

Which of these halogens is least reactive?

Accepted Answer

Iodine

Question 7

Complete the following displacement reaction: 2KBr + Cl2 --> 2K__ + __2

Accepted Answer

2KCl + Br2

Question 8

The top three circles shows chlorine added to chloride, bromide and iodide. What is displaced?

Accepted Answer

Bromide and iodide

Question 9

Which of the Group 7 elements is most reactive?

Accepted Answer

Fluorine

Question 10

In a displacement reaction where bromine reacts with potassium-iodide, what will be made?

Accepted Answer

Potassium-bromide + Iodine

Question 11

As we go down Group 7, the general trend is that reactivity..

Accepted Answer

Decreases

Question 12

Displacement involves a...

Accepted Answer

More reactive element displacing a less reactive element

Question 13

What is another name for the Group 7 elements?

Accepted Answer

Halogens

Question 14

Astatine, the last element in Group 7 is often left out. One reason for this is..

Accepted Answer

It is the rarest naturally occurring element

Questions 14