An atom is the . A
indestructible part of an element

B
smallest particle of an element that retains the properties of the element

C
smallest portion of any substance that can exist independently

D
least complex particle of all matter the exitence of which can only be inferred philosophically

Which description best characterizes the motion of particles in a solid?

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.

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