Represent the following using chemical symbol/formule.a.two atoms of the element neon.b.A molecules of the element nitrogen.cA molecules of the compound carbon dioxide.
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A chemical formula is used to represent an element or compound in balanced chemical equations.
The formula for most elements is just its chemical symbol. For example:
helium, He
lithium, Li
beryllium, Be
boron, B
carbon, C
neon, Ne
sodium, Na
magnesium, Mg
For example:
iodine, I2
bromine, Br2
chlorine, Cl2
fluorine, F2
oxygen, O2
nitrogen, N2
hydrogen, H2
A mnemonic can be used to remember these elements:
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