Which statement about the formation of ions in chemical reactions is correct?
1 )
A bromine atom loses an electron and forms a –1 ion.
A chlorine atom gains an electron and forms a –1 ion.
3 )
A potassium atom gains an electron and forms a +1 ion.
4 )
A sodium atom loses an electron and forms a –1 ion.
تحلیل ویدئویی تست
منتظریم اولین نفر تحلیلش کنه!