How many grams do 6 × 1020 atoms of helium weigh? answer in units of g.

Which form of relativism states that people rely on their own standards of right and wrong when making a decision?

  the mississippians were considered to be  horticulturalists, which means they were

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.