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→About Bromine
: [[Bromine]] as 35 [[proton]]s and 45 [[neutron]]s in its [[Atomic Nucleus|nucleus]] giving it an [[Atomic Number]] of 35 and an [[Relative Atomic Mass|atomic mass]] of 80.
: [[Bromine]] is a more [[Reactivity|reactive]] [[Halogen]] than [[Iodine]] but less [[Reactivity|reactive]] than [[Chlorine]].
: [[Bromine]] [[Chemical Reaction|reacts]] strongly with [[Hydrogen]] to produce [[Hydrogen ChlorideBromide]] which [[dissolve]]s in [[water]] to produce [[Hydrochloric Hydrobromic Acid]].
: [[Bromine]] is a [[bleach]]ing agent.
: [[Bromine]] kills [[bacteria]].
: An [[atom]] of [[Bromine]] is missing one [[electron]] from having a full [[Outer Shell|outer shell]].
: [[Bromine]] [[ion]]s gain 1 [[electron]] to get a full [[Outer Shell|outer shell]] and become [[Negative Charged|negatively charged]].
==Key Stage 4==
===Meaning===