17, Cl, Chlorine
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atomic number of Chlorine
17
period 3 means
3 electron shells
group 17 means
7 valence electrons
chemical element of Cl
Chlorine
chemical symbol of Chlorine
Cl
four examples of halogens
Fluorine F, Chlorine Cl, Bromine Br, Iodine I
are halogens cations (+ve) or anions (-ve)
form -1 ions, meaning that they are anions as they gain 1 electron to become stable
what group is Chlorine in
group 17
which family grouping is Chlorine in
halogens
characteristics of group 17
not found in a pure form (only bonded with itself), have coloured, poisonous vapours, less shells; more reactive
what period is Chlorine in
period 3