In the modern periodic table, the elements are listed in order of increasing atomic number. The atomic number is the number of protons in the nucleus of an atom. The number of protons define the identity of an element (i.e., an element with 6 protons is a carbon atom, no matter how many neutrons may be present). The number of protons determines how many electrons surround the nucleus, and it is the arrangement of these electrons that determines most of the chemical behavior of an element.

1. Antimony Atomic Number And Symbol
2. Atomic Number Chart
3. Element Antimony Atomic Number
4. Chemical Elements.com - Antimony (Sb)

Antimony Atomic Number And Symbol

Atomic Number Chart

In a periodic table arranged in order of increasing atomic number, elements having similar chemical properties naturally line up in the same column (group). For instance, all of the elements in Group 1A are relatively soft metals, react violently with water, and form 1+ charges; all of the elements in Group 8A are unreactive, monatomic gases at room temperature, etc. In other words, there is a periodic repetition of the properties of the chemical elements with increasing mass.

Element Antimony Atomic Number

In the original periodic table published by Dimitri Mendeleev in 1869, the elements were arranged according to increasing atomic mass— at that time, the nucleus had not yet been discovered, and there was no understanding at all of the interior structure of the atom, so atomic mass was the only guide to use. Once the structure of the nucleus was understood, it became clear that it was the atomic number that governed the properties of the elements.

Chemical Elements.com - Antimony (Sb)

Anti plus monos - 'a metal not found alone') antimony was first recognized in compounds and was recorded as a metal at the beginning of the 17th century and possibly prior to this date. Properties of antimony: Name of Element: antimony Symbol of Element: Sb Atomic Number of antimony:51 Atomic Mass: 121.760. Tellurium is a chemical element with the symbol Te and atomic number 52. It is a brittle, mildly toxic, rare, silver-white metalloid. Tellurium is chemically related to selenium and sulfur, all three of which are chalcogens. It is occasionally found in native form as elemental crystals. Atomic Number:51. Atomic Mass:121.76 amu. Melting Point:630.0 °C (903.15 K, 1166.0 °F) Boiling Point:1750.0 °C (2023.15 K, 3182.0 °F) Number of Protons/Electrons:51. Number of Neutrons:71. Antimony Electronic configuration. Electronic configuration: 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10 4s 2 4p 6 4d 10 5s 2 5p 3 Back to key information about the elementBack to. Atomic Number of Antimony Antimony is a chemical element with atomic number 51 which means there are 51 protons and 51 electrons in the atomic structure. The chemical symbol for Antimony is Sb. The atom consist of a small but massive nucleus surrounded by a cloud of rapidly moving electrons.