nonmetals


The green glow is emitted by phosphorus, atomic number 15, in the presence of oxygen, atomic number 8. Luc Viatour, Creative Commons License
Phosphorus is the element that is atomic number 15 on the periodic table. Phosphorus is an element that is essential for human life and found in many everyday products. Atomic Number 15 Element Facts The symbol for element 15 is P. The element was discovered by alchemist Hennig Brand who was […]

Atomic Number 15 Element Facts


Melting and Burning Sulfur 1
Sulfur is the 16th element of the periodic table. These sulfur facts contain chemical and physical data along with general information and history. Basic Sulfur Facts Name: Sulfur Atomic Number: 16 Element Symbol: S Group: 16 Period: 3 Block: p Element Family: Nonmetal Atomic Mass: [32.059; 32.076] IUPAC guidelines to reflect the physical and chemical history of the magnesium sample. […]

Sulfur Facts


Phosphorus Atom 1
Phosphorus is the 15th element of the periodic table. These phosphorus facts contain chemical and physical data along with general information and history. Basic Phosphorus Facts Name: Phosphorus Atomic Number: 15 Element Symbol: P Group: 15 Period: 3 Block: p Element Family: Nonmetal Atomic Mass: 30.973 761 998(5) Electron Configuration: [Ne]3s23p3 (shorthand) or 1s22s22p63s23p3 (full) Discovery: Hennig Brand in 1669. German alchemist Hennig Brand isolated phosphorus […]

Phosphorus Facts



Periodic Table Trends 1
The Periodic Table is called this not just because it is a table of the elements, but because it is arranged to reflect the periodic trends of the elements.   This table shows the periodic table trends of six different physical properties of the elements: atomic radius, electron affinity, electronegativity, […]

Periodic Table Trends


Periodic Table Nonmetals - 2017 11
The nonmetal elements occupy the upper right-hand corner of the periodic table. These elements have similar chemical properties that differ from the elements considered metals. The nonmetal element group is a subset of these elements. The nonmetal element group consists of hydrogen, carbon, nitrogen, oxygen, phosphorus, sulfur and selenium. Hydrogen […]

List of Nonmetals


Periodic Table Metaloids - 2017 3
Metalloids, also known as semimetals are elements containing properties similar and midway between metals and nonmetals. They are found to divide the periodic table between the metals on the left and the nonmetals on the right. Metalloids often have the following properties: could be dull or shiny conducts heat and […]

List of Metalloids or Semimetals