Plsss help which law is that

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

Select the correct answer from each drop-down menu. to make a table of the elements, dmitri mendeleev sorted the elements according to their . he then split the list of elements into several columns so that elements beside each other had similar .

The molar mass of nickel(ni) is 58.7 g/mol. how many moles are in an 88 gram sample of nickel?