Which elements share the most similar chemical properties?

a. boron and carbon
b. oxygen and sulfur
c. aluminum ad bromine
d. argon and silicon

What was the procedure by which case united states vs lopez went to court

Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand

Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?