An ore of zinc contains zinc carbonate. The equation for the reaction when is carbonate is heated is:
What is the name of this type of reaction?

The correct answer is "atomic weight".

13) a 14) a15) b16) i don't know sorry17) a (maybe)

Answer(28.02g/mol);

Firstly, the planetary model of the atom  failed  to explain why individual atoms produce discrete  line spectra. in fact, according to rutherford's model, each individual atom should produce a  continuous  line spectrum. the second flaw to his model was the fact that electrons orbit the nucleus in a circular fashion.