9
Q10.
This question is about four chemical elements.
(a)
The melting points and boiling points of the four elements are shown in the table.
Complete the table to give the physical state, solid liquid or gas, of each element at
room temperature, 21°C.
Igd
element melting point
in °C
bromine
chlorine
fluorine
iodine
-7
-101
-220
114
boiling point
in °C
59
-34
-188
184
physical state at room
temperature, 21°C
solid
aas
gas
das x
X
S what is the state of bromine in 21degrees