Which of the following statements apply to chemistry? everything is chemical. chemicals are only harmful. chemistry is used in the making medicine. water and air are chemicals. chemistry does not influence other sciences like ecology or biology.

Both josef loschmidt and amedeo avogadro contributed to our understanding of basic molecular numbers, sizes, and reaction ratios. neither scientist discovered “avogadro’s number” in the form we use it today (6.02 x 10 23). still, there’s a controversy over the name. research the contributions from these two scientists and read about how avogadro’s number got its name. briefly state what you think this number should be called, providing key details of each scientist’s contributions to this concept and a solid rationale for your case in naming the number.

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

One similarity and one difference between an element and a mixture of elements