Question

2,0,2 2, 0,
respecuvely.
3. List any two properties of the elements belonging to the first group of the
Modern Periodic Table
​

Answer 1

Group 1 elements - lithium, sodium, potassium, rubidium and cesium. Sections below cover the trends in atomic radius, first ionization energy, electronegativity, melting and boiling points, and density.