Suppose the mass spectrum of a hypothetical monatomic element x contains a signal at mass number 13 and another of identical height at mass number 15.
a. sketch the mass spectrum. make sure each axis is properly labeled.
b. how many isotopes are present? why?
c. what are the fractional abundances of the isotopes? why?

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.

Which tool is least in predicting weather

How many peaks will be present in a mass spectrum for brcl?