Periodic Table Trends
Periodic table trends are largely dependent on:
What is atomic radius
Gives the shell and approximate relative energy of electrons in that shell
What is the principle quantum number ("n")
Noble gas electron configuration of Fe2+
What is [Ar]3d6
You are given the wavelength and want to find the energy. The formula you will use is:
What is E = (hc) / λ
Atomic radius ______ left to right across a period and ____ top to bottom down a group.
What is 1) decreases , 2) increases
Mass number of an element can be found by:
What is adding the number of protons and neutrons
Has a value of -ℓ to ℓ
What is the magnetic quantum number ("mℓ")
Neutral atom that has the same configuration as Ca2+
What is [Ar]
If energy doubles, frequency will _____
What is double
How strongly an atom attracts electrons; Increases left to right across a period and decreases top to bottom down a group.
What is electronegativity
12C and 14C
What are isotopes
All possible mℓ values for a d sub-shell
What is -2, -1, 0, 1, 2
Predict the configuration of O²⁻ and identify the noble gas analog.
What is 1s22s22p6 or [Ne]
The energy of a valence electron of a metal is less than the work function. The electron will:
Energy required to remove an electron from an atom and also indicates how tightly an atom holds on to its electrons.
What is ionization energy
What are electrons
No two electrons in a system can occupy the same quantum state simultaneously
What is Pauli Exclusion Principle
Transition metals lose s electrons before d electrons because:
What is s orbitals become higher energy once d orbitals fill
A photon ejects an electron with KE = 2 eV. If φ = 4 eV, the energy of the photon is:
What is 6 eV
The idea that valence electrons do not feel the full pull of the nucleus is called effective nuclear charge and occurs due to:
What is shielding (by electrons in between the nucleus and valence electrons)
Mathematical wave functions that predict the probability of where an electron is most likely to be found
What are orbitals
A d subshell is represented by an azimuthal quantum number equal to:
What is 2
Two ions are isoelectric with neon. One has eight protons, the other has 12. The ions are:
O2- and Mg2+
The main factor distinguishing ionization energy from work function is:
What is states of matter of the element