Isotopes RAM Balancing Nuclear Equations A beta particle is a/an An ion with a negative charge Positron Proton Electron Which among the following choices best describes an isotope? Elements that have the same number of protons but different number of neutrons Elements that have the same number of neutrons Elements that have the same number of neutrons but different number of protons Elements that have the same number of protons and neutrons Elements that have the same number of electrons When balancing nuclear reaction the following reasoning is used. Both the reactants and products the mass number should be same Both the reactants and products should have the same atomic number False True Determine the number of protons, neutrons, and electrons in the following isotopes: atomic number 9, mass number 18, charge of 1− Protons = 9 Neutrons = 18 Electrons = 9 Protons = 9 Neutrons = 9 Electrons = 7 Protons = 9 Neutrons = 9 Electrons = 10 Protons = 9 Neutrons = 9 Electrons = 9 If the relative atomic mass of Br is 78.9183 what is its mass number 78 79.9183 79 80 78.9183 The number of neutrons in Pu-238 is 94 238 145 144 Bromine has two isotopes, Br-79 and Br-81, whose relative atomic are masses 78.9183 u and 80.9163 u and abundances are 50.69% and 49.31% Calculate the relative average atomic mass of Br based on these experimental results. 78.91 u 80.00 u 78.34 u 79.90 u The letter ‘Z ‘represents, while using notations to write elements to represent the number of protons, neutrons and electrons is/are Mass number or number of protons and neutrons Atomic Number or number of protons The number of electrons in an atom Mass number or number of protons and electrons The letter ‘A ‘represents while using notations to write elements to represent the number of protons, neutrons and electrons is/are The number of electrons in an ion Mass number or number of protons and neutrons Mass number or number of protons and electrons Atomic Number or number of protons Isotopes of an element Not possible to predict Shows both the same physical and chemical properties Show the same chemical property Show the same physical property An alpha particle is a/an Proton Electron Helium atom Helium with a 2+ charge The number of neutrons in U-239 is 147 92 145 239 Loading … Question 1 of 12 Share this:TweetWhatsAppLike this:Like Loading...
