In which type of reaction can two compounds exchange ions to form two different compounds? synthesis decomposition single replacement double replacement?

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

How do scientists think that gravity affected the formation of our solar system?

Draw two cyclic constitutional isomers of cis-1