Why do groups in the periodic table have missing periods?
39071
Why do electrons not fully fill up all the orbitals sequentially?
12029
Why do elements on the Binding Energy per Nuclear Molecule after Iron (most stable) even form?
54167
Names of some months don't make sense
73113
Groups and Symmetries
79380
How to find the order of a group generated by two elements?
7530
Why this $\sigma \pi \sigma^{-1}$ keeps appearing in my group theory book? (cycle decomposition)
110763
Where are the periods in acronyms?
57883
Example of a Subgroup That Is Not Normal
98207
Why absence of electron is called hole?
149500
Regarding Periods of Weierstrass $\wp$ function
123560
Intuition behind why order of a subgroup divides order of a group.
18196
Grouping Negates Effect of \centering
87746
Why are time stamps missing from recent questions?
128428
Why is the set of commutators not a subgroup?
54197
Why are the energy levels of a simple harmonic oscillator equally spaced?
30329
Why is the collection of all groups a proper class rather than a set?
27780
Subgroup which is generated by odd elements