The red diamond tells how flammable the chemical compound is or how easily it catches fire.
The yellow diamond tells about reactivity how quickly the compound reacts with other materials.
If we want to tip 19% or 0.19 of a bill of $26.37
We just multiply 26.37*0.19=$5.01
Any questions please feel free to ask. Thanks
If you graph the heat added to a system versus the system's temperature, the graph usually slopes upward; adding heat increases temperature.
#2 is solid because most exist naturally as solids