Yes, you can by the atomic number. The atomic number of zinc is 30, so zinc has 30 protons.
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A zinc atom has 30 protons because the atomic number of an element is equal to the number of protons in a given atom.
Zinc has 30 protons. You can tell this by looking at its atomic number.
Zinc-68 has 36 neutrons. This can be determined by subtracting the atomic number (number of protons) from the atomic mass (protons + neutrons), which for zinc is 68 - 30 = 38 neutrons.
The atomic number of zinc is 30. So there are 30 protons, 30 electrons in zinc.
Zinc has 30 protons since its atomic number is 30. This also means that it has 30 electrons to balance the positive charge from the protons. The number of neutrons in an atom of zinc can vary based on the isotope, but a typical zinc atom has around 35 neutrons.