- 2020-11-21 by Nick Connor Atomic Mass of Carbon Atomic mass of Carbon is 12.0107 u.
- The atomic number is the number that determines the identity of an atom, that is, the element to which that atom belongs. On the other hand, a mass number is a number that is used to compare.
The elements of the periodic table sorted by atomic number
click on any elements name for further chemical properties, environmental data or health effects.
Atomic types are those for which reading and writing are guaranteed to happen in a single instruction. More explanation from gnu.org: 24.4.7.2 Atomic Types. To avoid uncertainty about interrupting access to a variable, you can use a particular data type for which access is always atomic: sigatomict. Reading and writing this data type is. The atomic number of an element is equal to the total number of protons in the nucleus of the atoms of that element. The atomic number can provide insight into the electronic configuration of the element. For example, carbon has an electron configuration of He 2s 2 2p 2, since its atomic number is 6. What is the atomic number and mass number?
This list contains the 118 elements of chemistry. Sharkoon input devices driver download.
The chemical elements of the periodic chart sorted by: | Atomic number | Name chemical element | Symbol |
- Name alphabetically | 1 | Hydrogen | H |
- Atomic number | 2 | Helium | He |
- Symbol | 3 | Lithium | Li |
- Atomic Mass | 4 | Beryllium | Be |
- Electronegativity | 5 | Boron | B |
- Density | 6 | Carbon | C |
- Melting point | 7 | Nitrogen | N |
- Boiling point | 8 | Oxygen | O |
- Vanderwaals radius | 9 | Fluorine | F |
- Year of discovery | 10 | Neon | Ne |
- Inventor surname | 11 | Sodium | Na |
- Elements in earthcrust | 12 | Magnesium | Mg |
- Elements in human body | 13 | Aluminum | Al |
- Covalenz radius | 14 | Silicon | Si |
- Ionization energy | 15 | Phosphorus | P |
For chemistry students and teachers: The tabular chart on the right is arranged by Atomic number. The first chemical element is Hydrogen and the last is Ununoctium. Please note that the elements do not show their natural relation towards each other as in the Periodic system. There you can find the metals, semi-conductor(s), non-metal(s), inert noble gas(ses), Halogens, Lanthanoides, Actinoids (rare earth elements) and transition metals. | 16 | Sulfur | S |
17 | Chlorine | Cl | |
18 | Argon | Ar | |
19 | Potassium | K | |
20 | Calcium | Ca | |
21 | Scandium | Sc | |
22 | Titanium | Ti | |
23 | Vanadium | V | |
24 | Chromium | Cr | |
25 | Manganese | Mn | |
26 | Iron | Fe | |
27 | Cobalt | Co | |
28 | Nickel | Ni | |
29 | Copper | Cu | |
30 | Zinc | Zn | |
31 | Gallium | Ga | |
32 | Germanium | Ge | |
33 | Arsenic | As | |
34 | Selenium | Se | |
35 | Bromine | Br | |
36 | Krypton | Kr | |
37 | Rubidium | Rb | |
38 | Strontium | Sr | |
39 | Yttrium | Y | |
40 | Zirconium | Zr | |
41 | Niobium | Nb | |
42 | Molybdenum | Mo | |
43 | Technetium | Tc | |
44 | Ruthenium | Ru | |
45 | Rhodium | Rh | |
46 | Palladium | Pd | |
47 | Silver | Ag | |
48 | Cadmium | Cd | |
49 | Indium | In | |
50 | Tin | Sn | |
51 | Antimony | Sb | |
52 | Tellurium | Te | |
53 | Iodine | I | |
54 | Xenon | Xe | |
55 | Cesium | Cs | |
56 | Barium | Ba | |
57 | Lanthanum | La | |
58 | Cerium | Ce | |
59 | Praseodymium | Pr | |
60 | Neodymium | Nd | |
61 | Promethium | Pm | |
62 | Samarium | Sm | |
63 | Europium | Eu | |
64 | Gadolinium | Gd | |
65 | Terbium | Tb | |
66 | Dysprosium | Dy | |
67 | Holmium | Ho | |
68 | Erbium | Er | |
69 | Thulium | Tm | |
70 | Ytterbium | Yb | |
71 | Lutetium | Lu | |
72 | Hafnium | Hf | |
73 | Tantalum | Ta | |
74 | Tungsten | W | |
75 | Rhenium | Re | |
76 | Osmium | Os | |
77 | Iridium | Ir | |
78 | Platinum | Pt | |
79 | Gold | Au | |
80 | Mercury | Hg | |
81 | Thallium | Tl | |
82 | Lead | Pb | |
83 | Bismuth | Bi | |
84 | Polonium | Po | |
85 | Astatine | At | |
86 | Radon | Rn | |
87 | Francium | Fr | |
88 | Radium | Ra | |
89 | Actinium | Ac | |
90 | Thorium | Th | |
91 | Protactinium | Pa | |
92 | Uranium | U | |
93 | Neptunium | Np | |
94 | Plutonium | Pu | |
95 | Americium | Am | |
96 | Curium | Cm | |
97 | Berkelium | Bk | |
98 | Californium | Cf | |
99 | Einsteinium | Es | |
100 | Fermium | Fm | |
101 | Mendelevium | Md | |
102 | Nobelium | No | |
103 | Lawrencium | Lr | |
104 | Rutherfordium | Rf | |
105 | Dubnium | Db | |
106 | Seaborgium | Sg | |
107 | Bohrium | Bh | |
108 | Hassium | Hs | |
109 | Meitnerium | Mt | |
110 | Darmstadtium | Ds | |
111 | Roentgenium | Rg | |
112 | Copernicium | Cn | |
113 | Nihonium | Nh | |
114 | Flerovium | Fl | |
115 | Moscovium | Mc | |
116 | Livermorium | Lv | |
117 | Tennessine | Ts | |
118 | Oganesson | Og |
Click here: for a schematic overview of the periodic table of elements in chart form
Do you need to know the weight of some molecules? Try our Molecular Weight Calculator!
Please report any accidental mistake in the above statistics on chemical elements
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Number Of Protons In Carbon
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The atomic mass of an element is the average mass of the atoms of an element measured in atomic mass unit (amu, also known as daltons, D). The atomic mass is a weighted average of all of the isotopes of that element, in which the mass of each isotope is multiplied by the abundance of that particular isotope. (Atomic mass is also referred to as atomic weight, but the term 'mass' is more accurate.)
C-13 Atomic Number
For instance, it can be determined experimentally that neon consists of three isotopes: neon-20 (with 10 protons and 10 neutrons in its nucleus) with a mass of 19.992 amu and an abundance of 90.48%, neon-21 (with 10 protons and 11 neutrons) with a mass of 20.994 amu and an abundance of 0.27%, and neon-22 (with 10 protons and 12 neutrons) with a mass of 21.991 amu and an abundance of 9.25%. The average atomic mass of neon is thus:
0.9048 | × | 19.992 amu | = | 18.09 amu |
0.0027 | × | 20.994 amu | = | 0.057 amu |
0.0925 | × | 21.991 amu | = | 2.03 amu |
20.18 amu |
The atomic mass is useful in chemistry when it is paired with the mole concept: the atomic mass of an element, measured in amu, is the same as the mass in grams of one mole of an element. Thus, since the atomic mass of iron is 55.847 amu, one mole of iron atoms would weigh 55.847 grams. The same concept can be extended to ionic compounds and molecules. One formula unit of sodium chloride (NaCl) would weigh 58.44 amu (22.98977 amu for Na + 35.453 amu for Cl), so a mole of sodium chloride would weigh 58.44 grams. One molecule of water (H2O) would weigh 18.02 amu (2×1.00797 amu for H + 15.9994 amu for O), and a mole of water molecules would weigh 18.02 grams.
Sentelic driver download for windows 10. The original periodic table of the elements published by Dimitri Mendeleev in 1869 arranged the elements that were known at the time in order of increasing atomic weight, since this was prior to the discovery of the nucleus and the interior structure of the atom. The modern periodic table is arranged in order of increasing atomic number instead.