Aggressive net zero climate goals are driving investment and attention to renewable sources of energy, including climate-friendly hydrogen. Interest in hydrogen is not new; what is new is the ...

On the periodic table, metals are found on the left and in the middle, and non-metals are on the right. A zig-zag line divides them. In most periodic tables hydrogen (H) is shown separately but is ...

Each energy level holds a certain number of electrons before electrons go into the next level. 1st Period: Hydrogen and helium—Electrons go into the first energy level. After the first level has two ...

When the first periodic table was formulated by Mendeleev ... with sodium hydroxide that also contained a small amount of hydrogen peroxide. It has generally been believed that any technetium ...

Students look more deeply into the structure of the atom and play a game to better understand the relationship between protons, neutrons, electrons, and energy levels in atoms and their location in ...

This year we celebrate the 150 th anniversary of Mendeleev’s achievement in formulating the structure of the periodic table that we use today. He announced his structure in 1869, but the challenge of ...

That’s why this periodic table clock really caught our eye. [gocivici]’s idea is a simple one: light up three different elements with three different colors for hours, minutes, and seconds ...

Chinese researchers recently achieved a breakthrough in "photocatalytic water splitting for hydrogen production." By ...