A disk of 16 g is made of zinc the atomic number of zinc is

A disk of 1.6 g is made of zinc. The atomic number of zinc is 30 and the atomic mass is 65.39 g/mole.

a) How many protons are in the zinc disk?

b) What is their net charge?

c) What is the charge of the electrons in the disk?

d) If the disk has an overall net charge of -1.30e-6 C, how many extra electrons is that?

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A disk of 16 g is made of zinc the atomic number of zinc is : a disk of 1.6 g is made of zinc. the atomic number of zinc is 30 and the atomic mass is 65.39 gmole.a how many protons

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