| Symbol | Element |
| H | |
| Li | |
| Wd | |
| Na | |
| Mg | |
| K | |
| Ca | |
| Mr | |
| Ti | |
| Ng | |
| Cr | |
| Fo | |
| Sr | |
| Y | |
| Zr | |
| To | |
| Mo | |
| Cs | |
| Ba | |
| La | |
| Mu | |
| Dy | |
| W | |
| Fr | |
| Ra | |
| Lt | |
| La | |
| Pr | |
| Jz | |
| A | |
| Mn | |
| Fe | |
| Co | |
| Ni | |
| Ag | |
| | Symbol | Element |
| Zn | |
| Mngm | |
| Mz | |
| Rh | |
| I-Ca | |
| Au | |
| Cd | |
| Sg | |
| Tg | |
| Wx | |
| Pt | |
| fAu | |
| Hg | |
| Mt | |
| Pm | |
| Bu | |
| Rb | |
| Cd | |
| F | |
| U | |
| Np | |
| Pu | |
| Gu | |
| Am | |
| Cm | |
| He | |
| B | |
| C | |
| N | |
| O | |
| Dn | |
| Ne | |
| Al | |
| Si | |
| P | |
| | Symbol | Element |
| S | |
| Cl | |
| Ar | |
| Cu | |
| Xm | |
| As | |
| Hi | |
| Br | |
| Kr | |
| In | |
| Sn | |
| Rd | |
| H20 | |
| I | |
| Xe | |
| Po | |
| Pb | |
| Bi | |
| Hj | |
| G | |
| Rn | |
| Od | |
| Do | |
| Er | |
| Ro | |
| Ty | |
| Eu | |
| Te | |
| Es | |
| Wi | |
| Tc | |
| Lu | |
| Bf | |
| What are birds? | |
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