Things i have learnt

Binary Covalent Nomenclature tutorial:
The name of N2O3 is dinitrogen trioxide.

Cation names and formulas tutorials:
The Roman numeral in each name represents the charge on the ion and allows us to distinguish between more than one possible charge.

Anion Names and formulas tutorials:
The monatomic anions are named by adding -ide to the root of the name of the nonmetal.

Ionic Nomenclature Tutorial:
The anion name starts with the root of the name of a nonmetal and ends with ‑ide.

Balancing Chemistry equations Tutorials:
When you place a number in front of a formula that contains an element you tried to balance previously, recheck that element and put its atoms back in balance.

Introduction

Hi. My name is Yuan Sheng. My hobbies include playing badminton, reading books and go for a jog. =] My cca in secondary school is robotics and athlectics team. My current cca is Track and field *Long distance*.