Isotopes RAM Balancing Nuclear Equations The letter ‘A ‘represents while using notations to write elements to represent the number of protons, neutrons and electrons is/are Atomic Number or number of protons Mass number or number of protons and electrons Mass number or number of protons and neutrons The number of electrons in an ion Isotopes of an element Show the same chemical property Not possible to predict Shows both the same physical and chemical properties Show the same physical property 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 electrons The number of electrons in an atom Mass number or number of protons and neutrons Atomic Number or number of protons The number of neutrons in Pu-238 is 144 94 145 238 If the relative atomic mass of Br is 78.9183 what is its mass number 80 78.9183 79 78 79.9183 A beta particle is a/an Proton Electron Positron An ion with a negative charge 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 True False An alpha particle is a/an Electron Helium with a 2+ charge Helium atom Proton 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. 78.34 u 79.90 u 78.91 u 80.00 u 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 = 9 Protons = 9 Neutrons = 9 Electrons = 10 The number of neutrons in U-239 is 92 145 239 147 Which among the following choices best describes an isotope? Elements that have the same number of protons and neutrons Elements that have the same number of protons but different number of neutrons Elements that have the same number of neutrons but different number of protons Elements that have the same number of electrons Elements that have the same number of neutrons Loading … Question 1 of 12 Share this:TweetWhatsAppLike this:Like Loading...
