A sample of crushed rock is found to have 4.81 x1021 atoms of gold, how many moles of gold are present in this sample? 7.99 x 10^-3 moles

1.57 x10^-1 moles

1.25 x 10^3 moles

2.47 x10^5 moles

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.

more infor would

a lot

explanation:

a