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A newly discovered element occurs naturally as the two isotopes: 108X and 114X. In nature 65.8 % of is the isotope 108X and the remaining percentage is 114X. What is the mass number for element X.
The mass number of an element is the sum of the number of protons and neutrons in the nucleus of an atom of that element. It is represented by the symbol A.
To determine the mass number of an element, you can look at the periodic table to find the atomic number and the atomic mass of the element. The atomic mass is the decimal number listed below the symbol of the element. Round this number to the nearest whole number to get the mass number.
The mass number of an element is important because it is used to identify and distinguish different isotopes of the same element. It also helps in calculating the atomic mass of an element, which is used in various chemical and physical calculations.
The mass number of an element can change if the number of neutrons in the nucleus changes. This results in the formation of different isotopes of the same element. However, the number of protons in an element's nucleus always remains the same, as it determines the element's atomic number.
The mass number of an element is the sum of the number of protons and neutrons in the nucleus, while the atomic number is the number of protons in an element's nucleus. The mass number can vary between different isotopes of the same element, while the atomic number remains constant for a particular element.