A secondary carbocation is one in which there. are two carbons attached to the carbon bearing the positive charge. Likewise, a tertiary. carbocation is one in which there are three carbons attached to the carbon bearing the. positive charge. Methyl carbocations. No CâC+ bonds.
Numeric keypad. A numeric keypad, number pad, numpad, or ten key, is the palm-sized, 17-key section of a standard computer keyboard, usually on the far right.It provides calculator-style efficiency for entering numbers.he arrangement of digits on numeric keypads with the 7-8-9 keys two rows above the 1-2-3 keys is derived from calculators and cash registers. It is notably different from the layout of telephone Touch-Tone keypads which have the 1-2-3 keys on top and 7-8-9 keys on the third row.
Dryad. A dryad is a tree nymph, that is a female spirit of a tree, in Greek mythology. In Greek drys signifies oak. Thus, dryads are specifically the nymphs of oak trees, though the term has come to be used for all tree nymphs in general.Such deities are very much overshadowed by the divine figures defined through poetry and cult, Walter Burkert remarked of Greek nature deities.n Greek drys signifies oak. Thus, dryads are specifically the nymphs of oak trees, though the term has come to be used for all tree nymphs in general. Such deities are very much overshadowed by the divine figures defined through poetry and cult, Walter Burkert remarked of Greek nature deities.