The atomic number of platinum is 78. So there are 78 protons and 78 electrons.
There are 17 electrons i a neutral atom of chlorine.
The neutral atom of lithium has 3 electrons.
A neutral atom of helium has 2 electrons.
A neutral potassium atom would contain 19 electrons because the atomic number of potassium is 19, which represents the number of protons and electrons in a neutral atom.
Neon has ten electrons and as a Nobel gas is generally neutral
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When Cr3+ forms, the neutral atom (chromium) loses 3 electrons. This happens because the neutral chromium atom has 24 electrons, but when it forms Cr3+, it loses 3 electrons to have a total of 21 electrons.
A neutral atom of fluorine contains 7 valence electrons.
5 electrons because no. of protons= no. of electrons
16 electrons
A neutral silicon atom has 14 electrons.
There are 26 electrons in an iron atom. Each neutral iron atom has a total of 26 electrons occupying various energy levels or electron shells.