'Bromine & chlorine are in a group of elements better known by this name, from the Greek for "salt-forming"'
halogens
CHEMISTRY: Bromine & chlorine are in a group of elements better known by this name, from the Greek for salt-forming
Bromine & chlorine are in a group of elements better known by this name, from the Greek for "salt-forming"
Bromine & chlorine are in a group of elements better known by this name, from the Greek for "salt-forming"
CHEMISTRY
halogens
CHEMISTRY