The atomic number of bromine (Br) is the number of protons in bromine (Br) 's nucleus. Rutherford's experiment was important because it showed that: An atom is mostly empty space. ****** B. The masss number of bromine (Br) is the number of protons plus neutrons of a specific isotope of bromine … The atomic mass of bromine (Br) is the average number of protons plus neutrons of all the isotopes of bromine (Br) . A student wants to create a model of a cobalt atom. The atomic number is the number of Protons add one for the number of electrons and 80 - 35 is the number of neutrons. An atom of bromine-79 contains. … Bromine is #35 on the table of Elements so that means that it has 35 protons. 1) Cobalt has a mass number of 59 and an atomic number of 27. Enter your answers as integers separated by commas. This is the number that never changes for an element (or else the chemical properties will change!). C. The model should show 27 protons and 27 neutrons… Which statement about the model is correct? The numeral after the name the 80 means that is the atomic weight which means and since protons and neutrons weigh the same you must subtract 35 from 80 which is 45 neutrons. CHECK MY ANSWERS!!!!!!! The model should show 27 protons and 32 neutrons. Bromine Br Element 35 Mass Number: 80 Atomic weight: 79.904 g/mol Atomic number (Z): 35 Electrons: 35 Protons: 35 Neutrons: 45 Period: 4 Group: 17 Block: p In this video we’ll use the Periodic table and a few simple rules to find the protons, electrons, and neutrons for the element Bromine (Br). Isotope 79-Br+, that means: 1. The number of protons and neutrons is always the same in the neutral atom. Find the Number of Neutrons Br. Part A Specify the number of protons, neutrons, and electrons in the neutral atom bromine-80. It’s still a Br (bromine) atom, so it doesn’t change the number of protons //because changing the number of protons, it won’t be bromine anymore// So bromine atom has 35 protons 1. (1 point) A. However, the number of neutrons will vary depending on the isotope (atoms of the same element with different numbers of neutrons). 35: Atomic Number: Br: Element Symbol: Bromine: Element Name: 79.9: Average Atomic Mass: The atomic weight is basically a measurement of the total number of particles in an atom 's nucleus including both protons and neutrons. View Available Hint(s) rotons, neutrons, electrons Submit Previous Answers Request Answer The atomic number is the number of protons. For Bromine the atomic number is 35. so number … Find the element on the periodic table. The model should show 59 protons and 27 neutrons. Name: Bromine Symbol: Br Atomic Number: 35 Atomic Mass: 79.904 amu Melting Point:-7.2 °C (265.95 K, 19.04 °F) Boiling Point: 58.78 °C (331.93 K, 137.804 °F) Number of Protons/Electrons: 35 Number of Neutrons: 45 Classification: Halogen Crystal Structure: Orthorhombic Density @ 293 K: 3.119 g/cm 3 Color: Red Atomic … Bromine exists naturally as a mixture of bromine-79 and bromine-81 isotopes. Solution for Determine the number of neutrons in a bromine nucleus, which has a radius of approximately 5.32 10−15 m

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