Which one of the statements below is true? A. When two atoms combine, they do so in definite proportions by mass?
B. When two different compounds combine to form a compound, they do so in definite proportions by mass.
C. When two different elements combine to form a compound, they do so in definite proportions by mass
D. When two molecules combine, they do so in definite proportions by mass
E. When two different elements combine to form a mixture, they do so in definite proportions by mass

According to the tide table below what time of day will the highest tide occur?

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.

Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.