OR1 - Unit 1 Midterm Review

Front

What property of alkaline earth metals increases going down the group?

Back

Atomic radius, ionic radius, and atomic mass increase going down the group, while first ionization energy decreases.

Front

What type of EM radiation do night vision goggles use?

Back

Infrared radiation.

Front

Which elements have the same number of shielding electrons: Neon, Fluorine, or Oxygen?

Back

Neon, Fluorine, and Oxygen have the same number of shielding electrons.

Front

What series of elements is represented by Mn, Fe, Co, Ni, Cu?

Back

They are d-transition metals.

Front

Can the quantum numbers n = 1, l = 1, ml = 0, ms = 0 exist?

Back

No, this set of quantum numbers cannot exist because l must be less than n.

Front

Define 'first ionization energy'.

Back

The energy required to remove the outermost electron from a neutral atom in its gaseous state.

Front

What is the trend of atomic radius in the periodic table?

Back

Atomic radius increases down a group and decreases across a period from left to right.

Front

What are d-transition metals?

Back

Elements that have partially filled d-orbitals, typically found in groups 3-12 of the periodic table.

Front

Explain the concept of shielding in atomic structure.

Back

Shielding refers to the phenomenon where inner electrons reduce the effective nuclear charge felt by outer electrons.

Front

What is the significance of quantum numbers?

Back

Quantum numbers describe the unique quantum state of an electron in an atom, including its energy level, shape, and orientation.