Technology Chemical bonds

1.ATOMS ALWAYS UNDERGO CHANGE AND IN DOING SO, THEY COMBINE WITH EACH OTHER, AND HOLD TO EACH OTHER USING AN INVISIBLE FORCE CALLED A CHEMICAL BOND. 2. Chemical Bond –…

Documents Experimental chemistry: sublimation, use of separating funnel and paper chromatography

Describe separation techniques for: (i) sublimation (ii) use of a separating funnel (iii) paper chromatography Done by: Chew Yun Jin (3) 3H/2011 Websites for extra information…

Documents Density Is a physical property of matter Every pure substance has its own density Is important for.....

Slide 1 Density Is a physical property of matter Every pure substance has its own density Is important for the identification of a sample of matter Is an intensive property…