Exploring the World of Isotopes and Their Unique Properties

What is the term used for different forms of an element with the same number of protons but different numbers of neutrons?

• Compounds

• Ions

• Molecules

• Isotopes

In the James Bond analogy, what do the code names '007' and '008' represent?

• Different isotopes

• Different compounds

• Different elements

• Different molecules

What determines the atomic number of an element?

• Number of neutrons

• Number of isotopes

• Number of protons

• Number of electrons

How can isotopes be formed artificially?

• By radioactive decay

• By bombarding a stable nucleus with charged particles

• By chemical reactions

• By heating the element

Which isotope of carbon is used for carbon dating?

• Carbon-15

• Carbon-14

• Carbon-13

• Carbon-12

What is the mass number of Carbon-13?

• 14

• 12

• 13

• 15

Which isotope is used in gamma radiography for non-destructive examination of steel surfaces?

• Selenium-75

• Americium-241

• Silicon-32

• Nickel-63

What is the role of Nickel-63 in security?

• Detecting explosives

• Medical imaging

• Carbon dating

• Nuclear reactors

Which isotope is essential for the smooth functioning of nuclear reactors?

• Selenium-75

• Nickel-63

• Carbon-14

• Uranium-234

What does learning about isotopes reveal about elements?

• They have no variations

• They have family trees with different members

• They are all radioactive

• They are all stable