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The mass number of an ion remains the same as the element. This is because an ion gains or loses electrons which have minimal mass.
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What is the rule for determining the mass number of an atom or ion?
The mass number is the sum of number of protons and neutrons in the atomic nucleus.
Does the atomic number changes when an ion is formed?
No, the atomic number does not change when an ion is formed. The number of protons does not change when an ion is formed, so the atomic mass would not change.
What is the mass number of an ion with 105 electrons and 157 neutrons and a plus 1 charge?
The problem statement that the ion has a plus 1 charge means that there is one more proton than electron in the ion. Therefore, the ion contains 106 protons and 157 neutrons and thus has a mass number of 106 + 157 or 263 amu.
Which numbers are added to give the nucleon number of an ion?
No need to add. Use the elemnts mass number, which is the number of protons plus the number of neutrons
What is the mass number of an ion with 109 electrons 159 neutrons and a plus 1 charge?
An atom contains equal no of electron and proton. since this ion contains +1 charge it means it has 109 protons i.e one more than electron . As of mass no it's always sum of no of neutrons +no of protons So the answer is 266
What is the identity of an ion with an atomic number is 16 and mass 33 and 18 electrons?
The ion with an atomic number of 16, mass 33 and 18 electrons is the sulfide ion S2-
What ion has 18 electrons and a mass number of 33 and atomic number of 16?
The sulfide ion, S2-.
What is the rule for determining the mass number of an atom or ion?
The mass number is the sum of number of protons and neutrons in the atomic nucleus.
Does the atomic number changes when an ion is formed?
No, the atomic number does not change when an ion is formed. The number of protons does not change when an ion is formed, so the atomic mass would not change.
What is the symbol for chlorine ion?
37, as the isotope is identified by its mass number.
What is the difference in mass of Na ion and Na atom?
The difference in mass between a sodium atom and a sodium ion (supposing Na+) is 9.10938188 × 10-31kg (the mass of an electron). This is due to the sodium atom losing an electron to form an ion. In order to attain the mass of a single sodium atom you need to divide the molar massn (mass number) of sodium by avogadro's number. You can then find the mass of the ion by subtracting the mass of an electron from the mass of a sodium atom.
What is mass number of calcium ion with 18 neutrons?
48
What is the mass the calcium ion?
Iron is a meta element. Atomic Mass of it is 54. Atomic number of it is 26.
Why do you calculate the number of electrons by the atomic mass and number?
because an atomic number is the same as the number of electrons in an atom (not ion)
A sodium atom has a mass number of 23 Its atomic number is 11 How many electrons does it have if it is not an ion?
it is 12
What is the mass number of an ion with 105 electrons and 157 neutrons and a plus 1 charge?
The problem statement that the ion has a plus 1 charge means that there is one more proton than electron in the ion. Therefore, the ion contains 106 protons and 157 neutrons and thus has a mass number of 106 + 157 or 263 amu.
Why is the mass number of the ion the same as the number of isotope?
Because electrons, which are gained or lost to form ions from atoms, have so little mass compared with protons or neutrons that the electrons are ignored in the mass number.
