Which Element In Period 2 Has Less Mass? Among all the elements in period 2 of the modern periodic table, lithium (Li) is known to have the lowest mass. Which element in Period 2 have the most mass? The element in Period 2 with most mass is clearly the element with the highest atomic number,
Which Element In Period Two Has Less Mass? Lithium has the least mass, while Neon has the most mass. Lithium: The elements in Period 2 of the periodic table are: Lithium, Beryllium, Boron, Carbon, Nitrogen, Oxygen, Fluorine, and Neon. Lithium has a mass of about 6.941. Which element in Period 2 has less mass? Among
Which Element In Period 2 Has The Least Mass? Among all the elements in period 2 of the modern periodic table, lithium (Li) is known to have the lowest mass. The noble gas neon (Ne) has the highest mass among all the elements in period 2. Which elements in period 2 has the most mass?