Which of the following pairs are about equal in mass?
a. proton and electron
b. electron and neuron
c. proton and neutron
d. nucleus and surrounding electrons

What happens when light is scattered?

Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy

What type of organic molecule comprises the majority of a potato?