Atoms and Isotopes Quiz #1
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Last updated over 5 years ago
3 questions
1
Element X has two stable isotopes, X-63 and X-65. X-63 has a molar mass of 62.93 g/mol and a relative abundance of 69.09 %. X-65 with an abundance of 30.91% has a molar mass of 64.93 g/mol.
What is the average atomic mass of X?
Element X has two stable isotopes, X-63 and X-65. X-63 has a molar mass of 62.93 g/mol and a relative abundance of 69.09 %. X-65 with an abundance of 30.91% has a molar mass of 64.93 g/mol.
What is the average atomic mass of X?
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How many protons, electrons and neutrons are in Sr-87 (with a charge of +2)?
How many protons, electrons and neutrons are in Sr-87 (with a charge of +2)?