A child pyromaniac is a child with an impulse-control disorder that is primarily distinguished by a compulsion to set fires in order to relieve built-up tension.The term pyromania comes from the Greek words pyr (fire) and mania (madness) A child pyromaniac is the most rare form of fire setting.he term pyromania comes from the Greek words pyr (fire) and mania (madness) A child pyromaniac is the most rare form of fire setting.
Carbon dioxide (chemical formula CO 2) is a colorless gas with a density about 60% higher than that of dry air. Carbon dioxide consists of a carbon atom covalently double bonded to two oxygen atoms. It occurs naturally in Earth's atmosphere as a trace gas.
The molecular formula of methane shows the number and type of each atom in the mole-. cule: one carbon atom and four hydrogen atoms. The structural formula shows how the. atoms are connected: the carbon atom is bonded to the four hydrogen atoms.