Consider an atom with the chemical symbol of Br, which has a mass number of 79. What is the name of this element? A beryllium B boron C barium D bromine
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The element bromine (atomic number 35) has two major isotopes of similar abundance, both around 50%. The atomic mass of bromine is 79.904 as reported in the Periodical Table. Choose the most likely set of mass numbers for these two bromine isotopes: a) Br-79, Br-81 b) Br-79, Br-80 c) Br-80, Br-81.
Varsha A.
'31) Naturally occurring bromine consists of two isotopes: bromine-79 and bromine-81. The atomic mass for bromine is approximately 80. What are reasonable estimates of the relative percentages of bromine-79 and bromine-81 respectively? A) 10,90 B) 25,75 C) 50,50 D) 75,25 E) 90.10'
Joshua K.
Bromine consists of two isotopes Br-79 and Br-81. The abundance of Br-79 is 54.8%. What's the atomic mass of Br?
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