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Chemistry Facts

What Give Batteries Their Charge?

There is in chemistry only one function that is of fundamental importance: the ability of atoms to share electrons. In any such sharing program, there must be electron donors and electron acceptors. ... Continue reading

Liquid Glass Is All Wet

As a liquid changes to a solid, its molecules go from a state of turmoil and chaos to a state of order. As these molecules slow down to form a solid, they arrange themselves into a crystalline ... Continue reading

Old Window Pane

Oil Viscosity

Everybody recognizes 'oil' as a word for liquid materials that do not behave like water. They have a 'thickness' and self-cohesive character (autocohesion) that enables them to form a film on a ... Continue reading

What Are Aerosols?

Aerosols are tiny particles suspended in the air. Most occur naturally, originating from volcanoes, dust storms, forest and grassland fires, living vegetation, and sea spray (Figure 1). Human ... Continue reading

Multiple fires are burning across the sourthern part of the African continent in September 2000, as shown by data from the Advanced Very High Resolution Radiometer (AVHRR) on board the NOAA 14 satellite.