Platinum has an atomic number of 78. If you increase the atomic number by one, you find Gold, with an atomic number of 79.
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The element with an atomic number one greater than platinum (atomic number 78) is gold (atomic number 79).
Your answer can be found by looking at the Periodic Table here:http://en.wikipedia.org/wiki/Periodic_table_%28standard%29
Iron has atomic number 26. There are 118 elements so 92 have a higher atomic number. For a full list, see the periodic table of elements.
The element with the highest atomic number is Oganesson, with the atomic number 118.
The element with the largest atomic number on the periodic table is Oganesson, with the atomic number 118.
To calculate the number of neutrons in an element, you subtract the atomic number (number of protons) from the atomic mass (nearest whole number). The atomic mass is the weighted average of the isotopes of that element found in nature. For example, for carbon, the atomic number is 6 and the atomic mass is around 12, so the number of neutrons would be 12 - 6 = 6.
To find the number of neutrons in an atom you would subtract the protons from the atomic mass. The number of protons is equal to the atomic number. When dealing with an element with no net charge, the atomic number = the number of protons and also the number of electrons. The atomic mass - the atomic number (number of protons and electrons) = the number of neutrons
The atomic number is equal to the number of protons in an element's nucleus, so this element has an atomic number of 8. The atomic mass is the sum of protons and neutrons in the nucleus, so the atomic mass of this element would be 16 (8 protons + 8 neutrons).