Periodic Table 1,2,17,18

Hydrogen (H) [Atomic Number: 1]

Mass: 1.01

Lithium (Li) [Atomic Number: 3]

Mass: 6.94

Sodium (Na) [Atomic Number: 11]

Mass: 22.99

Potassium (K) [Atomic Number: 19]

Mass: 39.10

Rubidium (Rb) [Atomic Number: 37]

Mass: 85.47

Cesium (Cs) [Atomic Number: 55]

Mass: 132.91

Francium (Fr) [Atomic Number: 87]

Mass: 223.00

Beryllium (Be) [Atomic Number: 4]

Mass: 9.01

Magnesium (Mg) [Atomic Number: 12]

Mass: 24.31

Calcium (Ca) [Atomic Number: 20]

Mass: 40.08

Strontium (Sr) [Atomic Number: 38]

Mass: 87.62

Barium (Ba) [Atomic Number: 56]

Mass: 137.33

Radium (Ra) [Atomic Number: 88]

Mass: 226.00

Fluorine (F) [Atomic Number: 9]

Mass: 19.00

Chlorine (Cl) [Atomic Number: 17]

Mass: 35.45

Bromine (Br) [Atomic Number: 35]

Mass: 79.90

Iodine (I) [Atomic Number: 53]

Mass: 126.90

Astatine (At) [Atomic Number: 85]

Mass: 210.00

Tennessine (Ts) [Atomic Number: 117]

Mass: 294.00

Helium (He) [Atomic Number: 2]

Mass: 4.00

Neon (Ne) [Atomic Number: 10]

Mass: 20.18

Argon (Ar) [Atomic Number: 18]

Mass: 39.95

Krypton (Kr) [Atomic Number: 36]

Mass: 83.80

Xenon (Xe) [Atomic Number: 54]

Mass: 131.29

Radon (Rn) [Atomic Number: 86]

Mass: 222.00

Oganesson (Og) [Atomic Number: 118]

Mass: 294.0