carbon hydrogen oxygen and nitrogen that's what i remember
there are 21 atoms in trinitrotoluene.
Hydrogen and oxygen are already elements. Elements do not contain other elements.
they are chemical elements
What you have listed are not elements (except for the 'native elements'), they are classifications of minerals.
Group 1 Elements (elements in the first group [column]) are classed as Alkali Metals. Group 2 Elements (elements in the second group [column]) are classed as Alkaline Earth Metals. All elements not in a representative group are classed as Transition Metals. Group 3 Elements (elements in the third full group [coulumn]) are classed as Earth Metals
carbon hydrogen oxygen and nitrogen
there are 21 atoms in trinitrotoluene.
Trinitrotoluene
Trinitrotoluene is man made.
Trinitrotoluene
Trinitrotoluene ( TNT ) is a base, like many other explosives.
The common name of trinitrotoluene is t-n-t.
Trinitrotoluene is soluble in water from 100 to 200 mg/L at room temperature.
TNT
TNT
TNT
TriNitroToluene