Chapter 4 Section 3 Compound names and formulas Naming Ionic Compounds Binary compounds (Compounds with just two elements) Na2S 1. Name the first element - Sodium 2. Name…
INTRODUCTION Glass ionomer cement is a tooth coloured material, introduced by Wilson & Kent in 1972.Material was based on reaction between silicate glass powder &…
Slide 1 Chapter 12 Slide 2 Slide 3 NATURAL TYPES OF POLLUTANTS Many diseases are transferred by water bodies causing harmful effects on human health i.e. cholera, typhoid…
There are two major types of chemical bonds, ionic and covalent. Ionic Bond: A strong electrostatic attraction between a positive ion and a negative ion. One or more electrons…