Chlorine has an atomic mass of 35.543 and two naturally occurring isotopes. Isotope A has a relative mass of 34.96885 and an abundance of 75.53%. What is the mass and abundance of the second isotope?

y

Explanation:

nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.