3. Overview of Energy Levels and Orbitals

Front

What is the maximum number of electrons that can occupy a d-block orbital?

Back

10 electrons (5 orbitals, each can hold 2 electrons).

Front

How many orbitals are present in the d-block?

Back

5 orbitals.

Front

True or False: The p-block can hold a maximum of 6 electrons.

Back

True.

Front

What phenomenon occurs when light strikes a metal and causes electrons to be emitted?

Back

Photoelectric effect.

Front

In which order do electrons fill energy levels and sublevels?

Back

Electrons fill lower energy levels first.

Front

Which energy level is closest to the nucleus?

Back

Energy level 1.

Front

What is the shape of s orbitals?

Back

S orbitals are spherical.

Front

What is the shape of p orbitals?

Back

P orbitals are dumbbell-shaped.

Front

How many electrons can a single p orbital hold?

Back

2 electrons.

Front

What is the principal quantum number?

Back

It indicates the main energy level of an electron.