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Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Iron is the main ingredient in various forms of iron and steel, but the various types of metals contain other elements as well. Sometimes these elements are unwanted; other times they're intentionally ...

Molecular and Atomic Mass of Elements: There are various concepts in chemistry that require a basic understanding to see the bigger picture. One such knowledge is knowing the key terminologies and ...

Results for the limiting screening number as N → ∞ of an electron in the (nl) radial wave function of an atom with atomic number N, are extended to configurations including (4s), (4p) and (4d) ...

If you follow scientific developments as if they were football games, this would be a good time to cheer “Tick-tick-tick-tick! Tick-tick-tick-tick! Go, clock, go!” The reason for such enthusiasm?