1. What are isotopes?
2. Why do isotopes have the same chemical properties?
3. Why do isotopes have slightly different physical properties?
4. What are radioisotopes?
5. Give atleast two applications of radioisotopes.
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1. What are isotopes?
2. Why do isotopes have the same chemical properties?
3. Why do isotopes have slightly different physical properties?
4. What are radioisotopes?
5. Give atleast two applications of radioisotopes.
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Answer:
1. What are isotopes?
— Isotopes are variants of a particular chemical element which differ in neutron number, and consequently in nucleon number
2. Why do isotopes have the same chemical properties?
— The electron arrangements of atoms help explain the properties of elements and the structure of the periodic table. So, elements in the same group have similar chemical properties because they have the same number of electrons in their outer shell.
3. Why do isotopes have slightly different physical properties?
— They have different physical properties because of their different mass numbers.
4. What are radioisotopes?
— Radioisotopes are radioactive isotopes of an element. They can also be defined as atoms that contain an unstable combination of neutrons and protons, or excess energy in their nucleus.
5. Give atleast two applications of radioisotopes
— radiography and food preservation