What is the symbol of this element?
nitrogen
N
What is the symbol of this element?
coal
C
What is the symbol of this element?
oxygen
O
What is the symbol of this element?
neon
Ne
What is the symbol of this element?
boron
B
What is the symbol of this element?
sodium
Na
What is the symbol of this element?
fluorine
F
What is the symbol of this element?
magnesium
Mg
