Atomic Structure and Electron Configuration

The video tutorial by Science Scribe explains atomic structure and how to draw atoms using the Bohr model. It covers the components of an atom, including protons, neutrons, and electrons, and how they are arranged in energy levels. The tutorial provides step-by-step examples of drawing fluorine and potassium atoms, detailing how to determine the number of protons, electrons, and neutrons using atomic and mass numbers.

What is the central part of an atom that contains protons and neutrons called?

• Orbit

• Electron cloud

• Nucleus

• Energy level

Which model describes electrons as orbiting around the nucleus?

• Dalton model

• Bohr model

• Rutherford model

• Quantum model

What information do you need to determine the number of neutrons in an atom?

• Only atomic number

• Atomic number and mass number

• Number of electrons

• Only mass number

How many protons does a fluorine atom have?

• 19

• 10

• 9

• 7

What is the maximum number of electrons the first energy level can hold?

• 32

• 18

• 2

• 8

How many electrons can the second energy level hold at most?

• 32

• 18

• 2

• 8

For elements up to atomic number 20, how many electrons can the third energy level effectively hold before the fourth level starts filling?

• 32

• 18

• 8

• 2

What is the atomic number of potassium?

• 9

• 39

• 19

• 20

How many neutrons are present in a potassium atom?

• 20

• 19

• 39

• 18

In the potassium atom, how many electrons are in the fourth energy level?

• 1

• 2

• 8

• 18