what factors influence the relative abundance of isotopes with different mass numbers?

No, the mass number of an atom is not equal to the number of electrons. The mass number is the sum of the number of protons and neutrons in the nucleus of ... Jul 30, 2023 ... Solution: Mass number = number of neutrons + number of protons. Number of protons is equal to the atomic number. We can find the atomic ... Mar 26, 2025 ... Mass number is always equal to the sum of the number of protons and the number of neutrons. Electrons: Protons: The number of electrons in an atom is normally equal to the number of protons in the nucleus. ... Hence the nominal mass, based on the mass number, approximates ... Oct 5, 2024 ... The atomic number is the number of protons in an element, while the mass number is the number of protons plus the number of neutrons. As the weight of a proton and a neutron is almost equal to 1 amu in every atom, the atomic mass and mass number of an atom are almost the same. The unit amu is ... Jun 2, 2014 ... The mass number tells us the nucleus contains 19 particles in total. Since 9 of these are protons, the other 10 are neutrons. We call it the ... What is Mass Number? · The number of protons and neutrons combine to give us the mass number of an atom. · It is represented using the letter 'A. · As both protons ... The state of a gas is defined by various properties which we can observe with our senses, including the gas pressure (p), temperature (T), mass (number of ... ... equal to 1/12 of the mass of a carbon-12 atom. Atomic number. The number of ... All nuclides with a certain mass number, but a different atomic number ...