Answer is Carbon
He is the symbol for Helium in a scientific setting.
A black 'X' symbol on an orange backgound is the symbol meaning irritant or harmful
The safety symbol means that some material or condition will bring danger to you or others, if you don't use it in the right way.
tongue
The science safety symbol for never tasting or smelling an unknown substance is a image of a nose and a mouth crossed out with a red line, often accompanied by the text "Do Not Taste or Smell." This symbol is used to warn individuals against using their senses to identify a substance, highlighting the importance of proper labeling and handling procedures in the laboratory.
An unknown number represented by a letter or symbol is a variable.
UNKNOWN
x
Mostly A picture of Atom depicts the symbol of science in many Major Science Books.
The symbol for aluminum in science is Al.
The symbol for Fibrocell Science Inc in the AMEX is: FCSC.
The symbol for SCIENCE APPLICATIONS INTERNATIONAL CORPORATION in the NYSE is: SAIC.
x is a symbol for "unknown".
A variable.
Variable
b