Question 1
Isotope ?-35 has an atomic mass of 35.
75% of all atoms of element ? are of this form.
Isotope ?-37 has an atomic mass of 37.
25% of all atoms of element ? are of this form.
Question 1
Isotope ?-20 has an atomic mass of 20.
90.9% of all atoms of element ? are of this form.
Isotope ?-21 has an atomic mass of 21.
0.3% of all atoms of element ? are of this form. Isotope ?-22 has an atomic mass of 22.
8.8% of all atoms of element ? are of this form.
Question 2
Isotope ?-10 has an atomic mass of 10.
18.7% of all atoms of element ? are of this form.
Isotope ?-11 has an atomic mass of 11.
81.3% of all atoms of element ? are of this form.
Question 2
Isotope ?-1 has an atomic mass of 1.
99.985% of all atoms of element ? are of this form.
Isotope ?-2 has an atomic mass of 2.
0.015% of all atoms of element ? are of this form.
Question 3
Isotope ?-24 has an atomic mass of 24.
78.99% of all atoms of ? are of this form.
Isotope ?-25 has an atomic mass of 25.
10% of all atoms of ? are of this form.
Isotope ?-26 has an atomic mass of 26.
11.01% of all atoms of ? are of this form.
Question 3
Isotope ?-234 has an atomic mass of 234.
0.0055% of all atoms of ? are of this form.
Isotope ?-235 has an atomic mass of 235.
0.7200% of all atoms of ? are of this form.
Isotope ?-238 has an atomic mass of 238.
99.2745% of all atoms of ? are of this form.
Question 4
Isotope ?-36 has an atomic mass of 36. It has a relative abundance of 0.337%.
Isotope ?-38 has an atomic mass of 38. It has a relative abundance of 0.063%.
Isotope ?-40 has an atomic mass of 40. It has a relative abundance of 99.6%.
Question 4
Isotope ?-16 has an atomic mass of 16. It has a relative abundance of 99.762%.
Isotope ?-17 has an atomic mass of 17. It has a relative abundance of 0.038%.
Isotope ?-18 has an atomic mass of 18. It has a relative abundance of 0.200%.
Question 5
Isotope ?-90 has an atomic mass of 90. It has a relative abundance of 51.5%.
Isotope ?-91 has an atomic mass of 91. It has a relative abundance of 11.2%.
Isotope ?-92 has an atomic mass of 92. It has a relative abundance of 17.1%.
Isotope ?-94 has an atomic mass of 94. It has a relative abundance of 17.4%.
Isotope ?-96 has an atomic mass of 96. It has a relative abundance of 2.8%.
Question 5
Isotope ?-39 has an atomic mass of 39. It has a relative abundance of 93.2581%.
Isotope ?-40 has an atomic mass of 40. It has a relative abundance of 0.0117%.
Isotope ?-41 has an atomic mass of 41. It has a relative abundance of 6.7302%.
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