Krypton Atom and Subatomic Particles

The video tutorial explains how to solve a question about Krypton's atomic and mass numbers. It guides students through identifying key information, using the periodic table, and calculating the number of protons, neutrons, and electrons. The tutorial also covers understanding subatomic particles inside and outside the nucleus, concluding with identifying the correct answer.

What is the atomic number of Krypton?

• 18

• 54

• 36

• 84

Which number represents the mass number of Krypton?

• 18

• 54

• 84

• 36

How do you identify Krypton on the periodic table?

• By its atomic number, 36

• By its mass number, 84

• By its symbol, Kr

• By its position in the noble gases

What is the significance of the atomic number?

• It is the number of electrons in the outer shell

• It indicates the number of protons

• It shows the number of neutrons

• It represents the atomic mass

How many protons does a Krypton atom have?

• 84

• 18

• 48

• 36

How do you calculate the number of neutrons in Krypton?

• Multiply the atomic number by the mass number

• Add the atomic number to the mass number

• Subtract the atomic number from the mass number

• Divide the mass number by the atomic number

What is the total number of subatomic particles inside the nucleus of Krypton?

• 36

• 84

• 72

• 48

Where are the electrons located in a Krypton atom?

• In the proton shell

• In the electron cloud surrounding the nucleus

• Inside the nucleus

• In the neutron cloud

What is the total number of electrons in a Krypton atom?

• 36

• 48

• 18

• 84

Which table correctly shows the distribution of subatomic particles in Krypton?

• 36 protons, 48 neutrons inside; 36 electrons outside

• 48 protons, 36 neutrons inside; 48 electrons outside

• 84 protons, 0 neutrons inside; 84 electrons outside

• 36 protons, 36 neutrons inside; 48 electrons outside