STEM005: Chemistry

The science of composition, structure and properties of matter, and the energy involved in different transformations that matter undergoes through various chemical reactions

anything that has mass and volume

is responsible for all the transformation that matter undergoes

one which the substance has changed appearance, state, and appearance but NOT in composition

(e.g. ice melting)

appearance AS WELL as the chemical composition of the substance is changed resulting in one or more substances

• - comes from living organisms

• - has C - H bond

comes from non-living organisms

particles are tightly packed together

particles are in close contact with each other

-well separated and no regular movement

• - move freely