phosphorus (P), nonmetallic chemical element of the nitrogen family (Group 15 [Va] of the periodic table) that at room temperature is a colourless, semitransparent, soft, waxy solid that glows in the dark.
What are phosphorus chemical properties?
| Atomic number | 15 |
|---|---|
| Density | 1,82 g/ml at 20°C |
| Melting point | 44,2 °C |
| Boiling point | 280 °C |
| Vanderwaals radius | 1,04 Å |
What are the physical properties and uses of phosphorus?
White phosphorus is a poisonous waxy solid and contact with skin can cause severe burns. It glows in the dark and is spontaneously flammable when exposed to air. Red phosphorus is an amorphous non-toxic solid. White phosphorus is used in flares and incendiary devices.
Is phosphorus melting a chemical or physical property?
Physical properties are usually those that can be observed using our senses such as color, luster, freezing point, boiling point, melting point, density, hardness and odor. The Physical Properties of Phosphorus are as follows: White phosphorous is white, waxy solid.
What are 5 chemical properties?
Examples of chemical properties of a substance can include:
- Toxicity.
- Reactivity.
- Types of chemical bonds formed.
- Coordination number.
- Oxidation states.
- Flammability.
- Heat of combustion.
- Enthalpy of formation.
Which is chemical property?
A chemical property is a characteristic of a particular substance that can be observed in a chemical reaction. Some major chemical properties include flammability, toxicity, heat of combustion, pH value, rate of radioactive decay, and chemical stability.
Is phosphorus a good conductor?
Because it is highly reactive, white phosphorus should be stored under water, meaning that the element does not occur freely in nature. It does not ignite easily and is less reactive than the other two. It is a good conductor of electricity and is black in color.
What are 4 physical properties of phosphorus?
Properties: The melting point of phosphorus (white) is 44.1°C, boiling point (white) is 280°C, specific gravity (white) is 1.82, (red) 2.20, (black) 2.25-2.69, with a valence of 3 or 5. There are four allotropic forms of phosphorus: two forms of white (or yellow), red, and black (or violet).
What is the chemical composition of phosphate?
PO₄³⁻
Phosphate/Formula
What are the physical properties of red phosphorus?
Red phosphorus is red in color.
Is phosphorus a good conductor of electricity?
What are chemical and physical properties?
Physical properties are those that can be observed without changing the identity of the substance. Properties that describe how a substance changes into a completely different substance are called chemical properties. Flammability and corrosion/oxidation resistance are examples of chemical properties.
What are the properties of phosphorus?
The Physical properties of Phosphorus are the characteristics that can be observed without changing the substance into another substance. Physical properties are usually those that can be observed using our senses such as color, luster, freezing point, boiling point, melting point, density, hardness and odor.
What are the characteristics of phosphorus?
Characteristics: Phosphorus exists in two other main allotropic forms: red, and black (or violet). Red phosphorus results when white phosphorus is heated or exposed to sunlight. Black phosphorus is the least reactive allotrope and has a graphite-like structure.
What are the common uses of phosphorus?
Red phosphorus is chiefly used on making matches.
Is phosphorus a liquid solid or gas?
Periodic Table Group and Classification of the Phosphorus Element. Elements can be classified based on their physical states (States of Matter) e.g. gas, solid or liquid. This element is a solid. Phosphorus is classified as an element in the ‘Non-Metals’ section which can be located in groups 14,15 and 16 of the Periodic Table.
