Each carbon atom in the hexagonal cycle has four electrons to share.

Now you need to use the spanner in order to get the plastic tube out by pressing downwards.

They gave some visitors white cards and golf pencils and gave some visitors these hexagonal, blue cards and big pencils.

(For example, rooks have six directions of movement, and Masonic pawns move and capture the same as pawns in de Vasa's hexagonal chess.

And we can rotate this charge space in four dimensions to get a better look at the strong interaction, which has this nice hexagonal symmetry.

The first few centered hexagonal numbers are 1, 7, 19, 37, 61, 91, 127, 169, 217, 271, 331, 397, 469, 547, 631, 721, 817, 919.

In addition, the hexagonal water model's claim that water's structure can be determined through nuclear magnetic resonance (NMR) imaging is inconsistent with the limitations of the method.

The main nerves branch repeatedly, then attach to the lower side of each plate in the batteries, which are composed of hexagonal columns, in honeycomb formation each column consists of 140 to half a million gelatinous plates.

The following space groups have inversion symmetry the triclinic space group 2, the monoclinic 10 15, the orthorhombic 47 74, the tetragonal 83 88 and 123 142, the trigonal 147, 148 and 162 167, the hexagonal 175, 176 and 191 194, the cubic 200 206 and 221 230.