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www.reference.com/article/carbon-reactive-63a5c990f91f1446

Carbon reacts with oxygen. When burned, carbon produces carbon dioxide and carbon monoxide. Carbon does not react with water, acids or other chemical compounds, but carbon atoms can unite with oxygen and hydrogen atoms to form refrigerants, solvents, lubricants and fossil fuels. It is the basis of o

www.reference.com/science/highly-reactive-elements-a29abdb487bddf38

Some highly reactive elements are fluorine, sodium, potassium, lithium and oxygen. Reactive elements release great quantities of energy when they combine with other elements. Some tarnish in air or explode in water.

www.reference.com/article/reactivity-mean-science-24d5b9a3f40b2332

Reactivity in science refers to how various chemicals participate in chemical reactions when they are exposed to other substances. A chemical that reacts easily with other substances is considered highly reactive.

www.reference.com/article/reactive-policing-ed12019558e7250d

Reactive policing is a way of responding to citizens' needs for law enforcement rather than anticipating them. Traditional police forces use a form of reactive policing in respect to the fact that citizens must contact law enforcement with concerns or requests, and law enforcement officials then res

www.reference.com/article/reactive-magnesium-35157829feb2c490

Magnesium has no hard and fast rule when it comes to extent of reactivity. With some compounds, Magnesium has no reaction, while it has a very strong reaction when coupled with others.

www.reference.com/article/reactive-maintenance-f34c2d4d5904e58f

Reactive maintenance is done after equipment has stopped working correctly. It is often contrasted with preventative maintenance, which is done according to a set schedule.

www.reference.com/science/determines-atom-s-reactivity-94beab32ee378023

An atom's reactivity is determined by the number of electrons in its outermost shell. Because the outer shell can hold up to eight electrons and not all elements are able to fill these shells to capacity, the fullness of the shells will determine the volatility of the atom's reactive properties as a

www.reference.com/article/c-reactive-protein-a3322207ae15d79f

The C-reactive protein is a protein the liver manufactures that often becomes elevated in the presence of inflammation. Doctors frequently order tests that measure the level of C-reactive proteins in the blood. If it's high, inflammation somewhere in the body is suspected to be the culprit.

www.reference.com/world-view/difference-between-proactive-reactive-a7e0b62f5c80ac8c

A proactive approach focuses on eliminating problems before they have a chance to appear and a reactive approach is based on responding to events after they have happened. The difference between these two approaches is the perspective each one provides in assessing actions and events.

www.reference.com/article/symptoms-reactive-arthritis-644b8f5d3e4f1677

Symptoms of reactive arthritis include joint pain and stiffness, painful urination, diarrhea, and inflammation of the knee joints, hips, ankles, toes and fingers. Other symptoms include keratoderma blennorrhagica, inflammation of the eye and mouth ulcers, reports WebMD.