The tip of a match is ignited as it is struck against the matchbox. why is this a chemical change? the color of the match tip has changed. the match changes size as it burns. the tip of the match is flammable and is set on fire. the match is melting.

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.

Why does his teacher ask him to balance the equation by including the correct coefficient

Which element would mostly likely have an electron affinity measuring closest to zero