The formula is H 2 O so the dot and cross diagram includes two H atoms and one O atom. H has 1 outer electron. O has 6 outer electrons. The H circles must each overlap the O circle. Nitrogen molecules ...

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 ...

Lewis structures, also called electron-dot structures or electron-dot diagrams, are diagrams that show the bonding between atoms of a molecule, and the lone pairs of electrons that may exist in the ...

The film explores the fundamental principles of electricity, explaining the structure of atoms and the behavior of electrons. It discusses how electricity is generated through the movement of ...

A new class of water-soluble quantum dots made from small numbers of gold atoms could be the basis for a new biological labeling system with narrower excitation spectra, smaller particle size and ...