Term 2

Hahahaha!Its term 2!Time for compounds ,elements,mixtures and much more!Time for me to show the power.....!"Ahem.."Time for Dr Zhang to start the lesson.Elements,put it simply it is a substance that cannot be broken down into simpler substances by chemical methods.(from the textbook...)There are 116 known elements,92 occurred naturally on Earth,the rest are found out during experiments.Compound is a substance consisting of 2 or more elements joined together chemically.For mixtures,it will be 2 or more elements mixed together without using chemical methods."Thank you and goodbye Dr Zhang.."Lesson ended....