does the mass number remain constant during alpha decay? how does beta decay affect the mass number of an atom?

Each atom also has a mass number, denoted by the symbol A. The mass number of an atom is equal to the number of protons plus the number of neutrons that it ... (e) Mass number is the sum of all protons and electrons in an atom. 7. A positron has a mass number of _____, a charge of _____, and a mass equal to that of a( ... The atomic number is equal to the number of protons in an atom's nucleus. The atomic mass is the sum of the mass of protons and neutrons. Nov 22, 2024 ... This approximation of mass can be used to easily calculate how many neutrons an element has by simply subtracting the number of protons from the ... Mar 23, 2025 ... This is indeed the case of nucleus-nucleus collisions, for which each nucleus has an equal number of protons and neutrons. ... mass number of ... Mass number of the most abundant isotope of the element with atomic number Z ... number equal to n. If there is no stable isotope, choose the one with ... To find the radius of the nucleus of an atom with an atomic mass number of 125, we can use the formula for the radius of a nucleus: R=R0⋅A1/3 where: - R is ... The atomic number of an element states the number of protons in the nucleus of every atom of that element. The number of electrons in an atom is equal to the ... Since protons and electrons have equal and opposite charges, this means that atoms have no overall electrical charge. For example, the atomic number of sodium ... The atomic number is equal to the number of protons in the atom, therefore silicon ... What would happen to the atomic number and mass number? It would be an ...