Question

The diag

in dilute
Page 6 of 12
A6
A5
(a)
Fluorine, chlorine, bromine and iodine are placed in the same Group of the
Periodic Table.

State the common name used to describe elements in this Group.
(i)
State the Group in which the elements are placed and explain why
they are placed in that Group.
(ii)
Which of the above named elements is a solid at room
temperature and pressure?​

Answer 1

I think it’s will D...........

Answer 2

Here's what I get.

Step-by-step explanation:

(a) F, Cl, Br, and I are called halogens (salt formers)

(i) They are placed in Group 17, the Group just before Group 18 (the noble gases), because they need just one more valence electron to get a noble gas electron configuration.

(ii) At room temperature, iodine is a lustrous, purple-black solid that melts to form a deep violet liquid at 114 °C.