Electron configuration Student activity Play

Electron configuration Whiteboard exercise Play

Electron configuration of chlorine Whiteboard exercise Play

Electron configuration of elements Student activity Play

Electron shells and subshells Whiteboard exercise Play

Electron shells and subshells (1) Student activity Play

Electron shells and subshells (2) Student activity Play

Ions Whiteboard exercise Play

Models of atoms Slideshow Play

Number of electron shells Animation Play

Number of electron shells Whiteboard exercise Play

Order of filling of the shells by electrons Animation Play

Reproduction in reptiles Student activity Play

Reproduction in reptiles Whiteboard exercise Play

Shells Slideshow Play

The arrangement of electrons in an atom Student activity Play

The arrangement of electrons in an atom Whiteboard exercise Play

The electron configuration of an atom and its position in the periodic table Student activity Play

The period number and the number of electron shells Animation Play

Transformation of atoms into ions Student activity Play

What is precipitation? Student activity Play