The electronegativity of Chlorine is ………
a) 4.0
b) 3.0
c) 2.8
d) 2.5
The chemical symbol of Bromine is…..
a) Bm
b) Br
c) Bn
d) B
The atomic number of Bromine is……..
a) 9
b) 17
c) 35
d) 53
The electronic configuration of Bromine is…
a) 1s2, 2s2, 2p5
b) [Ne], 3s2, 3p5
c) [Ar],3d10 4s2, 4p5
d) [Kr],3d10 5s2, 5p5
The physical state of Bromine is…..
a) pale yellow gas
b) greenish gas
c) dark red liquid
d) black solid and purple vapour when heated
The melting point of Bromine is…….°C.
a) -219.6
b) -101.5
c) -7.2
d) 113.7
