Question 1:
State the definition of isotopes.
State the definition of isotopes.
Answer:
Two or more atoms of an element which have atoms with the same number of protons but different number of neutrons.
Question 2:
Give three examples of isotopes.
Give three examples of isotopes.
Answer:
Sodium-24/ Phosphorus-32/ Cobalt-60/ Carbon-14/ Iodine-131
(any three)
Question 3:
An atom has 10 protons, 10 neutrons and 10 electrons. What is the nucleon number of that atom?
An atom has 10 protons, 10 neutrons and 10 electrons. What is the nucleon number of that atom?
Answer:
20
Question 4:
What are the uses of isotopes in the medical field?
What are the uses of isotopes in the medical field?
Answer:
• Cobalt-60: kills cancer cells
• Sodium-24: detects clogged blood vessels
• Iodine-131: detects the rate of iodine absorption by the thyroid gland and it is used to treat thyroid disease