Isotopes - Page 5
Questions
- How many neutrons and protons in the isotopes #""^(25)Al#, #""^(95)Tc#, and #""^(120)Sn#?
- Why are the isotopes of an element chemically similar?
- What is the difference between an isotope and a radioisotope?
- How would you calculate the percent relative abundance of Cu-63 with the mass 62.9296 g and Cu-65 with the mass 64.9278 g, when the average mass of Cu is 63.546?
- #""^12C#, #""^13C#, and #""^14C# contain HOW many protons, and how many neutrons?
- What is the importance of the isotope C14?
- How do isotopes differ chemically?
- How do isotopes differ from ions?
- What are the different forms called in an element that has forms with different numbers of neutrons?
- What is the weighted average of the masses of all the naturally occurring isotopes of an element called?
- What isotopes are created when you burn off potassium nitrate and sugar?
- One isotope of bromine has an atomic mass of 78.92 amu and a relative abundance of 50.69%. The other major isotope of has an atomic mass of 80.92 amu and a relative abundance of 49.31%? What is the average atomic mass of bromine?
- Do elements have a variable compostion?
- Xenon has an atomic number of 54. A particular isotope of xenon has a mass number of 131. How many protons and how many neutrons does each atom of that isotope have?
- What are the stable isotopes of carbon?
- Why are isotopes used in nuclear medicine?
- What do we call nuclei of the same element that have different masses?
- What is the difference in stable and unstable isotopes?
- The mass of a #"_10^20Ne# atom is is 19.99244 amu. How do you calculate its mass defect?
- How can cobalt-60 and cobalt-59 be the same element but have different mass numbers?