Phosphorous belong to group 15 of the Periodic Table.
chemical
physical
Phosphorous is an element. Here are some sentences.We studied phosphorous in science class today.Phosphorous ignites if you put it into water.Phosphorous is an interesting element.
The rodent family.
Felines
white guelphs
Yes, white phosphorus igniting is a physical change because it involves a change in the physical state of the substance (from solid to gas) without altering its chemical composition.
P is the chemical symbol for phosphorus. But you are correct in believing that the two most comman allotropes of phosphorus (red and white phosphorus) exist as P4. a tetrahedral arrangement of 4 phosphorus atoms. Another alloptrope is P2- Diphosphorus, which is highly reactive.
Pinworms belong to the Nematode group of worms.
The elemental metal calcium is in Group(II) of the Periodic Table. Sometimes this Group is known as the ' Alkaline Earth Metals'. NOT 'Alkali metals', because alkali metals belong to Group (I).
Yes, because a new compound (a new type of molecule, with another chemical composition) is obtained.
This is a physical property because it describes a characteristic that can be observed without changing the composition of the substance. The ability of white phosphorus to glow in the dark is due to its property of emitting light when exposed to oxygen.