Energy
The vertical height of a wave is called
amplitude
What are the possible orbitals for n = 4?
s, p, d, f
How many valence electrons do alkaline earth metals have?
2
Which atom has the largest atomic radius? O,Fe, Na, or F
Na
SO42- resonance structures—how many?
4
Which type of electromagnetic radiation has the lowest frequency?
orange
Draw the p orbital shape.
See board.
A cation of +2 indicates the atom has:
Lost two electrons
Order decreasing lattice energy: K2O, Rb2S, Li2O
Li2O > K2O > Rb2S
O–C–O bond angle in CO32-
120o
Calculate the wavelength (in nm) of blue light with ν = 6.32×10^14 Hz.
475 nm
How many values of l are possible for n = 2?
2
Identify the species with the largest radius.
anion
What is the strongest bond?
triple bond
Lewis structure of phosphoric acid contains:
1 double, 6 single, and 8 lone pairs
How many photons are in 189 kJ of green light (525 nm)?
4.99 x 1023
No two electrons can share the same four quantum numbers. This is:
Pauli Exclusion Principle
Order increasing ionization energy: N, F, As
As < N < F
Define electronegativity.
Attract electrons
Which compound is nonpolar but has polar bonds?
CCl4
Order these by increasing wavelength: UV, gamma, radio
gamma < UV < radio
Which element has configuration 1s22s22p63s23p64s13d5?
Chromium
How many unpaired electrons in ground‑state P?
3
Number of valence electrons in XeCl4.
36
Which ionic compound has most exothermic lattice energy?
KF