Give the names of the elements represented by the chemical symbols $\mathrm{Li}, \mathrm{F}, \mathrm{P}, \mathrm{Cu}, \mathrm{As}$, $\mathrm{Zn}, \mathrm{Cl}, \mathrm{Pt}, \mathrm{Mg}, \mathrm{U}, \mathrm{Al}, \mathrm{Si}, \mathrm{Ne}$. (See Table 1.4 and the list of The Elements with Their Symbols and Atomic Masses.)