It is wise to plan your answer first by making some notes. This will help you to ... Two elements in group 1 of the periodic table are lithium and sodium. Very small pieces of lithium and sodium ...

we’re going to look at three groups in periodic table – specifically group 1, group 7 and group 0. SUNAYANA: As always, it might be handy to write some notes or diagrams along the way so hit ...

February 7 is National Periodic Table Day, when we celebrate the efforts of scientists over the centuries to figure out how different elements ...