Yes, phosphorus is generally considered brittle, especially in its white and red allotropes. White phosphorus, in particular, can break easily when subjected to stress. However, the characteristics can vary among its different allotropes; for example, black phosphorus has a more layered structure and exhibits some ductility.
15.
Phosphorus in is 3rd period. So it has 3 electron shells.
As brittle as glass.
Brittle is an adjective. The noun form would be brittleness.
brittle
In humans
they never do
15.
No. Phosphorus is a non-metal
15
2, 8, 5 [Ne]3s23p3
It causes plant growth and algae growth
Phosphorus in is 3rd period. So it has 3 electron shells.
The German alchemist Hennig Brand distilled urine to isolate phosphorus, in 1674 or 1675
As brittle as glass.
Peanut Brittle
peanut brittle