845
Halogens have 7 valence electrons.
count the number of protons which will be equal to number of electron.
Oxidising is losing eletrons
Electrons have a negative charge (-1).
no they are found around the nucleus
eletrons
There are 7 electrons! Hehe
yes such as many halogens and other elements such as oxygen and sulfur
Aluminium lends it's eletrons, it does not borrow it.
Halogens Apex ;)
They gain one.
They share many properties, but one is that they all have 7 valence electrons.