What information does the atomic mass of an element provide? a. the number of isotopes b. the difference between the number of protons and electrons c. the number of protons and neutrons in an atom d. the sum of electrons and protons in an atom

answer; talc and gypsum;

the density of gold = 19.3 g/cm3

the relation between density and mass and volume is

density = mass / volume

given :

mass of gold = 13 g

density = 13g / volume = 19.3

volume = 13 /19.3 = 0.67 cm^3

thus volume of gold nugget = 0.67 cm^3