Complete chemical equation of the reaction between calcium hydrogen carbonate and hydrochloric acid​

Classify this reaction: 2al+n2-> aln.

If you reacted 450 g of trimethylgallium with 300 g of arsine, what mass of gaas could you make?

The atomic number of an element is based on the number of electrons around its core mass of its nucleus number of protons in its nucleus number of neutrons in its nucleus