Atomic Mass and Particle Properties

The video tutorial provides an in-depth discussion on fundamental particles: electrons, protons, and neutrons. It covers their absolute and relative charges, mass in kilograms and unified mass units, and the concept of atomic mass unit (amu). The tutorial explains how to calculate the mass of particles using scientific notation and provides a summary of the properties of these particles. The video aims to enhance understanding of basic particle physics concepts.

What is the absolute charge of a proton in coulombs?

• +1.6022 x 10^-19 C

• +1.6022 x 10^-18 C

• 0 C

• -1.6022 x 10^-19 C

How is the relative charge of an electron determined?

• By comparing it to the charge of a neutron

• By comparing it to the charge of a proton

• By comparing it to a standard charge value

• By measuring its mass

What is the relative charge of a neutron?

• +1

• -1

• +2

• 0

Which particle is slightly heavier, the proton or the neutron?

• They have the same mass

• It varies depending on the isotope

• Neutron

• Proton

What is the mass of an electron in atomic mass units (u)?

• 0 u

• 0.0054 u

• 1.00867 u

• 1.00727 u

What does 'u' stand for in atomic mass units?

• Unique mass

• Unit mass

• Universal mass

• Unified mass

What is the mass of a proton in terms of unified mass (u)?

• 0.0054 u

• 0 u

• 1.00727 u

• 1.00867 u

How many grams is one atomic mass unit (amu) equivalent to?

• 1.66054 x 10^-25 g

• 1.66054 x 10^-22 g

• 1.66054 x 10^-23 g

• 1.66054 x 10^-24 g

What is the mass of one mole of carbon-12 atoms?

• 6.022 g

• 12 g

• 24 g

• 1.992648 g

What is the significance of carbon-12 in defining atomic mass units?

• It is the heaviest isotope

• It is used as a standard reference

• It has the smallest atomic mass

• It is the most abundant isotope