Respuesta :
The atomic number of gold is 79. The correct response for an atom on the periodic table with the same number of protons and electrons is gold, which has 79 protons and 79 electrons.
What is protron?
Every atom has a proton in its nucleus, a subatomic particle. The particle has a positive electrical charge that is the antithesis of the electron's. If a proton were isolated, it would weigh only 1.673? 10-27 kilogrammes, little less than a neutron. A stable subatomic particle known as a proton with an electric charge of +1 e and the symbols p, H+, or 1H+. Its mass is only marginally less than that of a neutron and 1836 times greater than that of an electron.
What does a proton or neutron look like?
Silicon has 14 protons and 14 neutrons, for instance. It weighs 28 kilogrammes and has an atomic number of 14. Uranium's most prevalent isotope contains 146 neutrons and 92 protons. It has an atomic mass of 238 thanks to its 92 protons and 146 electrons.
Briefing:
The atomic number refers to the total number of protons in the nucleus of an atom. The atomic numbers of the elements are used by the Periodic Table to divide them into groupings.
The Periodic Table is used to find an element's atomic number. The atomic number is visible in the top left corner.
For instance, krypton has an atomic number of 36. This reveals that the nucleus of a krypton atom contains 36 protons.
Atoms are not electrically charged by nature. The protons' positive charges and the electrons' negative charges must be equal.
Protons and electrons must be present in an equal number in an atom. In our example, an atom of krypton needs to have 36 protons in addition to 36 electrons.
For any component:
Atomic number = number of protons + number of electrons
Hence, as an illustration of glod:
The atomic number of gold is 79. Gold therefore contains 79 protons and 79 electrons.
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