I'm pretty sure its Sulfur...
Any element with 7 protons would be Nitrogen
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The element with 8 protons and 8 electrons is oxygen (O). The presence of 11 neutrons indicates a specific isotope of oxygen, oxygen-19.
The element that has 9 protons is fluorine. Its atomic number is 9, indicating that the element has 9 protons in the nuclei of its atoms. If there are 10 electrons, then the fluorine atom has gained an electron and is now a negatively charged anion with a charge of 1-.
The nucleus of an atom contains protons and neutrons, not electrons. If an atom has 8 electrons, it is most likely the element oxygen, which has 8 protons in its nucleus.
The element with 7 electrons, 7 protons, and 8 neutrons is nitrogen-15 (15N).
5 protons 8 neutrons try it
The electrons in an element is the same as the protons and the atomic number. 8
The isotope boron-11 has 5 protons and 6 neutrons, but also 5 electrons not 8.
The isotope of oxygen, 8O17
Oxygen has 8 protons. The number of protons in an atom is equal to its atomic number, which defines the element. Oxygen's atomic number is 8, so it has 8 protons.
The number of protons in an atom is equal to the atomic number of the element. To find the number of electrons, it's also the same as the number of protons in a neutral atom. So for example, oxygen with atomic number 8 has 8 protons and 8 electrons in a neutral atom.