Silver Isotopes and Atomic Structure

This video tutorial explains how to determine the number of protons, neutrons, and electrons in silver isotopes, as well as the mass number. It begins with an introduction to silver isotopes and their atomic number, followed by a detailed explanation of protons and electrons, emphasizing the neutrality of elements. The tutorial then covers the calculation of neutrons and mass number, using silver isotopes 107 and 109 as examples. Finally, it discusses isotopic abundance and how the average mass of silver is calculated as a weighted average of its isotopes.

What is the atomic number of silver?

• 47

• 60

• 107

• 109

Why is the atomic number important for identifying an element?

• It defines the element's identity.

• It indicates the number of neutrons.

• It determines the element's mass.

• It shows the element's charge.

How many protons does a neutral silver atom have?

• 109

• 60

• 47

• 107

What is the relationship between protons and electrons in a neutral atom?

• Protons are double the electrons.

• Electrons are double the protons.

• Protons are half the electrons.

• They are equal in number.

What is the mass number of the silver isotope with 60 neutrons?

• 62

• 47

• 109

• 107

How do you calculate the number of neutrons in an isotope?

• Subtract the atomic number from the mass number.

• Divide the mass number by the atomic number.

• Add the atomic number to the mass number.

• Multiply the atomic number by the mass number.

What percentage of silver atoms have a mass number of 107?

• 52%

• 48%

• 60%

• 47%

What is the mass number of the silver isotope with 62 neutrons?

• 47

• 109

• 60

• 107

What is the weighted average mass number of silver isotopes?

• 107

• 109

• 60

• 107.87

What is the significance of the weighted average in isotopes?

• It determines the lightest isotope.

• It represents the average mass of all isotopes.

• It indicates the heaviest isotope.

• It shows the most common isotope.