All chemical reactions result in the formation of A. bubbles in liquids.
B. precipitates in liquids.
C. substances with different colors.
D. substances with new chemical properties.

The modern periodic table has groups.

Fred is studying a substance that is made out of only one element. this means that

What is the magnitude of the force of gravity between to 1000 kg cars which are separated by distance of 25. 0 km on an interstate highway? the force between the two cars will be what