Periodic Table Chart Atomic Number 31 to 40 | Science Chemistry Chart | Classroom Decor | Digital Download | Free Printable

Periodic Table Elements (Atomic Number 31 to 40) | |||
---|---|---|---|
Elements | Atomic Number | Symbol | Discovered |
Gallium | 31 | Ga | 1875 |
Germanium | 32 | Ge | 1886 |
Arsenic | 33 | As | …… |
Selenium | 34 | Se | 1817 |
Bromine | 35 | Br | 1826 |
Krypton | 36 | Kr | 1898 |
Rubidium | 37 | Rb | 1861 |
Strontium | 38 | Sr | 1790 |
Yttrium | 39 | Y | 1794 |
Zirconium | 40 | Zr | 1789 |
Calcium | 20 | Ca | …… |