Which techniques would be best for separating a colloid mixture but would not work well with solutions? Check all that apply. distillation centrifugation boiling/heating chromatography crystallization long standing

There are main groups in the modern periodic table of elements

Schrodinger and heisenberg developed an alternate theory about atomic nature that contradicted some of bohr's model of the atom. how do changes resulting from new technology and evidence affect the reputation of the atomic theory?

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?