Atomic Structure and Electron Configuration

The video tutorial explains the structure of atoms, highlighting their components: protons, electrons, and neutrons. It discusses how the atomic composition determines the element type and introduces the concept of atomic number. The tutorial covers the importance of atomic charge in chemical bonding and compares the atom's structure to a solar system. It outlines specific rules for electron arrangement in orbits and applies these rules to elements like Boron, Sodium, and Krypton, demonstrating how to determine their atomic structure.

What are the three subatomic particles that make up an atom?

• Protons, Neutrons, and Electrons

• Protons, Neutrons, and Photons

• Electrons, Neutrons, and Photons

• Protons, Electrons, and Photons

What determines the atomic number of an element?

• Number of electrons

• Number of neutrons

• Number of protons

• Number of atoms

Why is an atom neutrally charged?

• Because it has no neutrons

• Because it has more electrons than protons

• Because it has more protons than electrons

• Because it has equal numbers of protons and electrons

What is the central part of an atom called?

• Electron cloud

• Energy level

• Orbit

• Nucleus

How are the orbits around the nucleus named?

• A, B, C, D

• K, L, M, N

• X, Y, Z, W

• 1, 2, 3, 4

What is the maximum number of electrons the first orbit can hold?

• 8

• 2

• 32

• 18

Which rule states that electrons cannot occupy an outer orbit unless the inner ones are full?

• Rule 2

• Rule 1

• Rule 4

• Rule 3

How many electrons can the third orbit hold according to the 2n² rule?

• 8

• 18

• 2

• 32

How many electrons does Boron have if its atomic number is 5?

• 3

• 5

• 7

• 9

In which orbit does the last electron of Sodium reside?

• Fourth orbit

• Second orbit

• First orbit

• Third orbit