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1-37 Periodic table
Atomic numbers and element symbol
| Question | Answer | ||
|---|---|---|---|
| Helium | 2 He | Nobel gas | 0 |
| Lithium | 3 Li | Lose 1 e- | 1+ |
| Beryllium | 4 Be | Lose 2 e- | 2+ |
| Boron | 5 B | Lose 3 e- | 3+ |
| Carbon | 6 C | ||
| Nitrogen | 7 N | ||
| Oxygen | 8 O | Gain 2 e- | 2- |
| Fluorine | 9 F | Gain 1 e- | 1- |
| Neon | 10 Ne | Nobel gas | 0 |
| Sodium | 11 Na | Lose 1 e- | 1+ |
| Magnesium | 12 Mg | Lose 2 e- | 2+ |
| Aluminum | 13 Al | Lose 3 e- | 3+ |
| Silicon | 14 Si | ||
| Phosphorus | 15 P | ||
| Sulfur | 16 S | Gain 2 e- | 2- |
| Chlorine | 17 Cl | Gain 1 e- | 1- |
| Argon | 18 Ar | Nobel gas | 0 |
| Potassium | 19 K | Lose 1 e- | 1+ |
| Calcium | 20 Ca | Lose 2 e- | 2+ |
| Scandium | 21 Sc | ||
| Titanium | 22 Ti | ||
| Vanadium | 23 V | ||
| Chromium | 24 Cr | ||
| Manganese | 25 Mn | ||
| Iron | 26 Fe | ||
| Cobalt | 27 Co | ||
| Nickel | 28 Ni | ||
| Copper | 29 Cu | ||
| Zinc | 30 Zn | ||
| Gallium | 31 Ga | Lose 3 e- | 3+ |
| Germanium | 32 Ge | ||
| Arsenic | 33 As | ||
| Selenium | 34 Se | Gain 2 e- | 2- |
| Bromine | 35 Br | Gain 1 e- | 1- |
| Krypton | 36 Kr | Nobel Gas | 0 |
| Hydrogen | 1 H | Gain/lose 1 e- | 1+/1- |