28 янв. 2017 г. · Its mass number is 56. Explanation: Mass number is simply the total number of massive particles in the atom, protons and neutrons.

2 апр. 2019 г. · Answer :The mass number is 56. Explanation: Mass number is defined as the sum of number of protons and neutrons that are present in an atom.

Answer to: What is the proper notation for an atom that contains 26 protons, 30 neutrons, and 26 electrons? a) 5626Fe b) 2630Fe c) 2630Zn d) 3026Zn...

Each proton and neutron nearly contributes a single unit of atomic weight which is why the number of protons and neutrons are used to calculate the mass number.

3 апр. 2019 г. · Answer :The mass number is 56. Explanation: Mass number is defined as the sum of number of protons and neutrons that are present in an atom.

18 сент. 2024 г. · The nucleus of Iron atom contains 26 protons and 30 neutrons. Find its atomic number, mass number and number of electrons present in it.

Include the mass number, atomic number, and charge, if any. 2). Ni. 11. 28 protons, 26 electrons, 30 neutrons.

3 июл. 2022 г. · The number of neutrons in the nucleus of the iron atom is 56 - 26 = 30. Hence, Fe 56 26 contain 26 electrons. 26 protons and 30 neutrons.

1 нояб. 2021 г. · Answer: Iron (Fe). Explanation: # of protons is the atomic number of the element. the element with the atomic number 26 is Iron.