| Element |
Protons |
Mass |
Series |
| Hydrogen (H) |
1 |
1.008 |
diatomic nonmetal |
| Helium (He) |
2 |
4.0026022 |
noble gas |
| Lithium (Li) |
3 |
6.94 |
alkali metal |
| Beryllium (Be) |
4 |
9.01218315 |
alkaline earth metal |
| Boron (B) |
5 |
10.81 |
metalloid |
| Carbon (C) |
6 |
12.011 |
polyatomic nonmetal |
| Nitrogen (N) |
7 |
14.007 |
diatomic nonmetal |
| Oxygen (O) |
8 |
15.999 |
diatomic nonmetal |
| Fluorine (F) |
9 |
18.9984031636 |
diatomic nonmetal |
| Neon (Ne) |
10 |
20.17976 |
noble gas |
| Sodium (Na) |
11 |
22.989769282 |
alkali metal |
| Magnesium (Mg) |
12 |
24.305 |
alkaline earth metal |
| Aluminium (Al) |
13 |
26.98153857 |
post-transition metal |
| Silicon (Si) |
14 |
28.085 |
metalloid |
| Phosphorus (P) |
15 |
30.9737619985 |
polyatomic nonmetal |
| Sulfur (S) |
16 |
32.06 |
polyatomic nonmetal |
| Chlorine (Cl) |
17 |
35.45 |
diatomic nonmetal |
| Argon (Ar) |
18 |
39.9481 |
noble gas |
| Potassium (K) |
19 |
39.09831 |
alkali metal |
| Calcium (Ca) |
20 |
40.0784 |
alkaline earth metal |
| Scandium (Sc) |
21 |
44.9559085 |
transition metal |
| Titanium (Ti) |
22 |
47.8671 |
transition metal |
| Vanadium (V) |
23 |
50.94151 |
transition metal |
| Chromium (Cr) |
24 |
51.99616 |
transition metal |
| Manganese (Mn) |
25 |
54.9380443 |
transition metal |
| Iron (Fe) |
26 |
55.8452 |
transition metal |
| Cobalt (Co) |
27 |
58.9331944 |
transition metal |
| Nickel (Ni) |
28 |
58.69344 |
transition metal |
| Copper (Cu) |
29 |
63.5463 |
transition metal |
| Zinc (Zn) |
30 |
65.382 |
transition metal |
| Gallium (Ga) |
31 |
69.7231 |
post-transition metal |
| Germanium (Ge) |
32 |
72.6308 |
metalloid |
| Arsenic (As) |
33 |
74.9215956 |
metalloid |
| Selenium (Se) |
34 |
78.9718 |
polyatomic nonmetal |
| Bromine (Br) |
35 |
79.904 |
diatomic nonmetal |
| Krypton (Kr) |
36 |
83.7982 |
noble gas |
| Rubidium (Rb) |
37 |
85.46783 |
alkali metal |
| Strontium (Sr) |
38 |
87.621 |
alkaline earth metal |
| Yttrium (Y) |
39 |
88.905842 |
transition metal |
| Zirconium (Zr) |
40 |
91.2242 |
transition metal |
| Niobium (Nb) |
41 |
92.906372 |
transition metal |
| Molybdenum (Mo) |
42 |
95.951 |
transition metal |
| Technetium (Tc) |
43 |
98.0 |
transition metal |
| Ruthenium (Ru) |
44 |
101.072 |
transition metal |
| Rhodium (Rh) |
45 |
102.905502 |
transition metal |
| Palladium (Pd) |
46 |
106.421 |
transition metal |
| Silver (Ag) |
47 |
107.86822 |
transition metal |
| Cadmium (Cd) |
48 |
112.4144 |
transition metal |
| Indium (In) |
49 |
114.8181 |
post-transition metal |
| Tin (Sn) |
50 |
118.7107 |
post-transition metal |
| Antimony (Sb) |
51 |
121.7601 |
metalloid |
| Tellurium (Te) |
52 |
127.603 |
metalloid |
| Iodine (I) |
53 |
126.904473 |
diatomic nonmetal |
| Xenon (Xe) |
54 |
131.2936 |
noble gas |
| Cesium (Cs) |
55 |
132.905451966 |
alkali metal |
| Barium (Ba) |
56 |
137.3277 |
alkaline earth metal |
| Lanthanum (La) |
57 |
138.905477 |
lanthanide |
| Cerium (Ce) |
58 |
140.1161 |
lanthanide |
| Praseodymium (Pr) |
59 |
140.907662 |
lanthanide |
| Neodymium (Nd) |
60 |
144.2423 |
lanthanide |
| Promethium (Pm) |
61 |
145.0 |
lanthanide |
| Samarium (Sm) |
62 |
150.362 |
lanthanide |
| Europium (Eu) |
63 |
151.9641 |
lanthanide |
| Gadolinium (Gd) |
64 |
157.253 |
lanthanide |
| Terbium (Tb) |
65 |
158.925352 |
lanthanide |
| Dysprosium (Dy) |
66 |
162.5001 |
lanthanide |
| Holmium (Ho) |
67 |
164.930332 |
lanthanide |
| Erbium (Er) |
68 |
167.2593 |
lanthanide |
| Thulium (Tm) |
69 |
168.934222 |
lanthanide |
| Ytterbium (Yb) |
70 |
173.0451 |
lanthanide |
| Lutetium (Lu) |
71 |
174.96681 |
lanthanide |
| Hafnium (Hf) |
72 |
178.492 |
transition metal |
| Tantalum (Ta) |
73 |
180.947882 |
transition metal |
| Tungsten (W) |
74 |
183.841 |
transition metal |
| Rhenium (Re) |
75 |
186.2071 |
transition metal |
| Osmium (Os) |
76 |
190.233 |
transition metal |
| Iridium (Ir) |
77 |
192.2173 |
transition metal |
| Platinum (Pt) |
78 |
195.0849 |
transition metal |
| Gold (Au) |
79 |
196.9665695 |
transition metal |
| Mercury (element) (Hg) |
80 |
200.5923 |
transition metal |
| Thallium (Tl) |
81 |
204.38 |
post-transition metal |
| Lead (Pb) |
82 |
207.21 |
post-transition metal |
| Bismuth (Bi) |
83 |
208.980401 |
post-transition metal |
| Polonium (Po) |
84 |
209.0 |
post-transition metal |
| Astatine (At) |
85 |
210.0 |
metalloid |
| Radon (Rn) |
86 |
222.0 |
noble gas |
| Francium (Fr) |
87 |
223.0 |
alkali metal |
| Radium (Ra) |
88 |
226.0 |
alkaline earth metal |
| Actinium (Ac) |
89 |
227.0 |
actinide |
| Thorium (Th) |
90 |
232.03774 |
actinide |
| Protactinium (Pa) |
91 |
231.035882 |
actinide |
| Uranium (U) |
92 |
238.028913 |
actinide |
| Neptunium (Np) |
93 |
237.0 |
actinide |
| Plutonium (Pu) |
94 |
244.0 |
actinide |
| Americium (Am) |
95 |
243.0 |
actinide |
| Curium (Cm) |
96 |
247.0 |
actinide |
| Berkelium (Bk) |
97 |
247.0 |
actinide |
| Californium (Cf) |
98 |
251.0 |
actinide |
| Einsteinium (Es) |
99 |
252.0 |
actinide |
| Fermium (Fm) |
100 |
257.0 |
actinide |
| Mendelevium (Md) |
101 |
258.0 |
actinide |
| Nobelium (No) |
102 |
259.0 |
actinide |
| Lawrencium (Lr) |
103 |
266.0 |
actinide |
| Rutherfordium (Rf) |
104 |
267.0 |
transition metal |
| Dubnium (Db) |
105 |
268.0 |
transition metal |
| Seaborgium (Sg) |
106 |
269.0 |
transition metal |
| Bohrium (Bh) |
107 |
270.0 |
transition metal |
| Hassium (Hs) |
108 |
269.0 |
transition metal |
| Meitnerium (Mt) |
109 |
278.0 |
unknown, probably transition metal |
| Darmstadtium (Ds) |
110 |
281.0 |
unknown, probably transition metal |
| Roentgenium (Rg) |
111 |
282.0 |
unknown, probably transition metal |
| Copernicium (Cn) |
112 |
285.0 |
transition metal |
| Nihonium (Nh) |
113 |
286.0 |
unknown, probably transition metal |
| Flerovium (Fl) |
114 |
289.0 |
post-transition metal |
| Moscovium (Mc) |
115 |
289.0 |
unknown, probably post transition metal |
| Livermorium (Lv) |
116 |
293.0 |
unknown, probably post transition metal |
| Tennessine (Ts) |
117 |
294.0 |
unknown,probably metalloid |
| Oganesson (Og) |
118 |
294.0 |
unknown, predicted to be noble gas |