Combining identical elements Animation Play

Combustion of chlorine in oxygen Animation Play

Common oxidation states for the fourth Period transition elements Chart Play

Conductivity Student activity Play

Conductivity Simulation Play

Conductivity Whiteboard exercise Play

Conservation of natural resources Whiteboard presentation Play

Conservation of natural resources Class activity Play

Continuous and line spectra Whiteboard presentation Play

Continuous and line spectra Class activity Play

Covalent bonding. Part II Whiteboard presentation Play

Covalent bonding. Part II Class activity Play

d- and f-block elements Animation Play

Decay of uranium Animation Play

Decay reaction Whiteboard exercise Play

Deduction Whiteboard exercise Play

Deduction Student activity Play

Density Animation Play

Density of transition metals Illustration Play

Deposits of natural gas Slideshow Play

Derivatives of powers with rational exponent Class activity Play

Derivatives of powers with rational exponent Whiteboard presentation Play

Determining the empirical formula Student activity Play

Determining the empirical formula Whiteboard exercise Play

Determining the formula of a compound knowing the valence of its elements Student activity Play