Atomic Structure and Electron Behavior

The video explains that atoms are composed of protons, neutrons, and electrons, with the identity of an atom determined by its protons. Atomic models are developed through experiments, and electrons exhibit both particle and wave behaviors. Electrons' positions are probabilistic, leading to the concept of orbitals. These orbitals influence chemical interactions, which are fundamental to the nature of matter.

What determines the identity of an atom?

• The number of protons

• The number of orbitals

• The number of neutrons

• The number of electrons

Why can't we see protons, neutrons, or electrons directly?

• They are hidden inside the nucleus

• They are transparent

• They are too small

• They are too large

What is one of the unique behaviors of electrons?

• They behave only as particles

• They are always visible

• They always stay in one place

• They can behave as both particles and waves

What is an orbital in the context of atomic structure?

• A fixed path of an electron

• A type of molecule

• A shape representing the probability of finding an electron

• A type of atom

Why do we use a 95% probability to define electron orbitals?

• Because electrons are always visible

• Because electrons are always at the nucleus

• Because the probability never reaches zero

• Because electrons are always at the same distance

What is the relationship between the energy of an orbital and its distance from the nucleus?

• Lower energy means farther from the nucleus

• Energy does not affect distance

• Higher energy means farther from the nucleus

• Higher energy means closer to the nucleus

What is the probability of finding an electron at the other end of the universe?

• One hundred percent

• Zero

• Non-zero but very small

• Fifty percent

How do electrons from different atoms interact?

• They can be shared or transferred

• They can only attract each other

• They can only repel each other

• They never interact

What makes chemistry interesting according to the video?

• The weight of atoms

• The size of atoms

• The dynamics of electron interactions

• The color of atoms

What determines the nature of everything we perceive?

• The molecular level

• The macroscopic level

• The atomic level

• The cellular level