Neutrons: (79.905-35) = 44.905 --> Round up: 45. Isotopes of Bromine Number Of Neutrons In Bromine. What is the structure of this atom? … So, Nucleons = (Number of Protons) + (Number of neutrons). Lv 4. If an element has isotopes which are radioactive in nature, then they are called radioisotopes. 79 Br and 81 Br are the two stable isotopes of bromine. 9 years ago. For a neutral atom of Bromine: Protons: 35 . It has a central nucleus composed of… Sign in *Move with Wisdom* Lv 4. Source(s): Solution for A bromine atom has an atomic number of 35 and an atomic mass of 80. Tin is the element which has maximum number of stable isotopes which is 10. That would be 80-35, giving me 45 neutrons. Electrons: 35. (a) atomic number 26, mass number 58, charge of 2+ (b) atomic number 53, mass number 127, charge of 1− (a) Iron, 26 protons, 24 electrons, and 32 neutrons; (b) iodine, 53 protons, 54 electrons, and 74 neutrons. BROMINE Atomic Number 35 Number of Neutrons 45 Atomic Mass 79.904 Symbol Br Melting Point −7.2°C, 19°F, 266 K Boiling Point 58.8°C, 137.8°F, 332 K Density (g cm−3) 3.1028 Discovery Date 1826 Discovered By Antoine J. Ballard Isotopes Two naturally existing isotopes of bromine exist, bromine-79 and bromine-81. Source(s): For bromine, the atomic number is 35. Solution for Determine the number of neutrons in a bromine nucleus, which has a radius of approximately 5.36 10−15 m. O A. But how can I say an atom of bromine contains 45 neutrons, when its two stable isotopes contain either 44 (bromine 79) or 46 (bromine 81)?. 4 years ago. The atomic number is equal to the number of protons and electrons. 0 0. 0 0? You can sign in to vote the answer. Atomic Number Of Bromine. Determine the number of protons, neutrons and electrons in each and name them. How do you think about the answers? Number of neutrons is the mass number minus the atomic number. To hopefully clarify further, Say I followed the same steps for an atom of chlorine.

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