Periodic elements

Hydrogen / H / 1

P=1, n=1, e=1, mass=1, Group 1, period 1, positive

Neon / N / 10

P=10, e=10, n=10, mass=20, group 18, period 2, neutral

Rutherfordium / Rf / 104

P=104, e=104, n=157, mass=261, group 4, period 7, pos

Dubnium / Db / 105

P=105, e=105, n=163, mass=262, group 5, period 7, pos

Seaborgium / Sg / 106

P=106, e=106, n=157, mass=266, group 6, period 7, pos

Bohrium / Bh / 107

P=107, e=107, n=155, mass=264, group 7, period 7, pos

Hassium / Hs / 108

P=108, e=108, n=157, mass=269, group 8, period 7, pos

Meitnerium / Mt / 109

P=109, e=109, n=157, mass=268, group 9, period 7, neutral

Sodium / Na / 11

P=11, e=11, n=12, mass=22.9, group 1, period 3, positive

Darmstadtium / Ds / 110

P=110, e=110, n=159, mass=269, group 10, period 7, neutral

Roentigenium / Rg / 111

P=111, e=111, n=170, mass=272, group 11, period 7, neutral

Copernicium / Cn / 112

P=112, e=112, n=165, mass=277, group 12, period 7, neutral

Nihonium / Nh / 113

P=113, e=113, n=173, mass=286, group 13, period 7, neutral

Flerovium / Fl / 114

P=114, e=114, n=175, mass=289, group 14, period 7, neutral

Moscovium / Mc / 115

P=115, e=115, n=174, mass=288, group 15, period 7, neutral

Livermorium / Lv / 116

P=116, e=116, n=177, mass=293, group 16, period 7, neutral

Tennessine / Ts / 117

P=117, e=117, n=177, mass=294, group 17, period 7, neutral

Oganesson / Og / 118

P=118, e=118, n=176, mass=294, group 18, period 7, neutral

Magnesium / Mg / 12

P=12, e=12, n=12, mass=24, group 2, period 3, positive

Aluminum / Al / 13

P=13, e=13, n=14, mass=26, group 13, period 3, positive

Silicon / Si / 14

P=14, e=14, n=14, mass=28, group 14, period 3, positive

Phosphorus / P / 15

P=15, e=15, n=16, mass=30, group 15, period 3, positive

Sulfur / S / 16

P=16, e=16, n=16, mass=32, group 16, period 3, negative

Chlorine / C / 17

P=17, e=17, n=18, mass=34, group 17, period 3, negative

Argon / A / 18

P=18, e=18, n=22, mass=36, group 18, period 3, neutral

Potassium / K / 10

P=19, e=19, n=20, mass=39, group 1, period 4, positive

Helium / He / 2

P=2, e=2, n=2, mass=4, group 18, period 1, positive

Calcium / Ca / 20

P=20, e=20, n=20, mass=40, group 2, period 4, positive

Scandium / Sc / 21

P=21, e=21, n=24, mass=45, group 3, period 4, positive

Titanium / Ti / 22

P=22, e=22, n=26, mass=48, group 4, period 4, positive

Vanadium / V / 23

P=23, e=23, n=28, mass=50, group 5, period 4, positive

Chromium / Cr / 24

P=24, e=24, n=28, mass=51.9, group 6, period 4, positive

Manganese / Mn / 25

P=25, e=25, n=30, mass=55, group 7, period 4, positive

Iron / Fe / 26

P=26, e=26, n=30, mass=55.8, group 8, period 4, positive

Cobalt / Co / 27

P=27, e=27, n=32, mass=58, group 9, period 4, positive

Nickel / Ni / 28

P=28, e=28, n=30, mass=58.6, group 10, period 4, positive

Copper / Cu / 29

P=29, e=29, n=35, mass=63, group 11, period 4, positive

Lithium / Li / 3

P=3, e=3, n=4, Mass=6.9, group 1, period 2, positive

Zinc / Zn / 30

P=30, e=30, n=35, mass=65, group 12, period 4, positive

Gallium / Ga / 31

P=31, e=31, n=39, mass=69, group 13, period 4, positive

Germanium / Ge / 32

P=32, e=32, n=41, mass=72, group 14, period 4, positive

Arsenic / As / 33

P=33, e=33, n=42, mass=74.9, group 15, period 4, positive

Selenium / Se / 34

P=34, e=34, n=45, mass=78.9, group 16, period 4, positive

Bromine / Br / 35

P=35, e=35, n=45, mass=79.9, group 17, period 4, positive

Krypton / Kr / 36

P=36, e=36, n=42, mass=83.8, group 18, period 4, neutral

Rubidium / Rb / 37

P=37, e=37, n=48, mass=85, group 1, period 5, neutral

Strontium / Sr / 38

P=38, e=38, n=50, mass=87, group 2, period 5, positive

Yttrium / Y / 39

P=39, e=39, n=50, mass=88.9, group 3, period 5, positive

Beryllium / Be / 4

P=4, e=4, n=5, mass=9, group 2, period 2, positive

Zirconium / Zr / 40

P=40, e=40, n=51, mass=91, group 4, period 5, positive

Niobium / Nb / 41

P=41, e=41, n=52, mass=92.9, group 5, period 5, positive

Molybdenum / Mo / 42

P=42, e=42, n=54, mass=95.9, group 6, period 5, positive

Technetium / Tc / 43

P=43, e=43, n=55, mass=98, group 7, period 5, positive

Ruthenium / Ru /44

P=44, e=44, n=57, mass=101, group 8, period 5, positive

Rhodium / Rh / 45

P=45, e=45, n=58, mass=102.9, group 9, period 5, pos

Palladium / Pd / 46

P=46, e=46, n=60, mass=106, group 10, period 5, pos

Silver / Ag / 47

P=47, e=47, n=61, mass=107, group 11, period 5, pos

Cadmium / Cd / 48

P=48, e=48, n=64, mass=112, group 12, period 5, pos

Indium / In / 49

P=49, e=49, n=66, mass=114, group 13, period 5, pos

Boron / B / 5

P=5, e=5, n=6, mass=10.8, group 13, period 2, positive

Tin / Sn / 50

P=50, e=50, n=69, mass=118, group 14, period 5, pos

Antimony / Sb / 51

P=51, e=51, n=71, mass=121, group 15, period 5, pos

Tellerium / Te / 52

P=52, e=52, n=78, mass=127, group 16, period 5, neg

Iodine/ I / 53

P=53, e=53, n=74, mass=126, group 17, period 5, neg

Xenon / Xe / 54

P=54, e=54, n=77, mass=131, group 18, period 5, neutral

Caesium / Cs / 55

P=55, e=55, n=78, mass=132, group 1, period 6, pos

Barium / Ba / 56

P=56, e=56, n=82, mass=137, group 2, period 6, pos

Lanthanum / La / 57

P=57, e=57, n=81, mass=138.9, lanthanide, pos

Cerium / Ce / 58

P=58, e=58, n=80, mass=140, lanthanide, pos

Praseodymium / Pr / 59

P=59, e=59, n=82, mass=140.9, lanthanide, pos

Carbon / C / 6

P=6, e=6, n=6, mass=12, group 14, period 2, positive

Neodymium / Nd / 60

P=60, e=60, n=84, mass=144, lanthanide, pos

Promethium/ Pm / 61

P=61, e=61, n=85, mass 144.9, lanthanide, pos

Samarium / Sm / 62

P=62, e=62, n=82, mass=150, lanthanide, pos

Europium / Eu / 63

P=63, e=63, n=88, mass=151.9, lanthanide, pos

Gadolinium / Gd / 64

P=64, e=64, n=94, mass=157, lanthanide, pos

Terbium / Tb / 65

P=65, e=65, n=94, mass=158.9, lanthanide, pos

Dysprosium / Dy / 66

P=66, e=66, n=92, mass=162, lanthanide, pos

Holmium / Ho / 67

P=67, e=67, n=98, mass=164.9, lanthanide, pos

Erbium / Er / 68

P=68, e=68, n=94, mass=167, lanthanide, pos

Nitrogen / N / 7

P=7, e=7, n=7, mass=14, group 15, period 2, positive

Hafnium / Hf / 72

P=72, e=72, n=106, mass= 178, group 4, period 6, pos

Tantalum / Ta / 73

P=73, e=73, n=108, mass=180, group 5, period 6, pos

Tungsten / W / 74

P=74, e=74, n=110, mass=183, group 6, period 6, pos

Rhenium / Re / 75

P=75, e=75, n=111, mass=186, group 7, period 6, pos

Osmium / Os / 76

P=76, e=76, n=114, mass=190, group 8, period 6, pos

Iridium / Ir / 77

P=77, e=77, n=115, mass=192, group 9, period 6, pos

Platinum / Pt / 78

P=78, e=78, n=117, mass=195, group 10, period 6, pos

Gold / Au /79

P=79, e=79, n=118, mass=196.9, group 11, period 6, pos

Oxygen / O / 8

P=8, e=8, n=8, mass=15.9, group 16, period 2, negative

Mercury / Hg / 80

P=80, e=80, n=120, Mass=200, group 12, period 6, pos

Thallium / Tl / 81

P=81, e=81, n=123, mass=204, group 13, period 6, pos

Lead / Pb / 82

P=82, e=82, n=125, mass=207, group 14, period 6, pos

Bismuth / Bi / 83

P=83, e=83, n=126, mass=208.9, group 15, period 6, pos

Polonium / Po / 84

P=84, e=84, n=126, mass=208.9, group 16, period 6, pos

Astatine / At / 85

P=85, e=85, n=125, mass=209.9, group 17, period 6, neg

Radon / Rn / 86

P=86, e=86, n=136, mass=222, group 18, period 6, neutral

Francium / Fr / 87

P=87, e=87, n=136, mass=223, group 1, period 7, pos

Radium / Ra / 88

P=88, e=88, n=138, mass=226, group 2, period 7, pos

Fluorine / F / 9

P=9, e=9, n=10, mass=19, group 17, period 2, negative