chemical formula
Pronunciation
Noun
B1 Intermediate
Quick answer
A notation using symbols and numbers to show which elements, and how many atoms of each, make up a compound.
Test yourself
Which word fits the gap? "Water's _____, H2O, shows it's made of two hydrogen atoms and one oxygen atom."
Answer: chemical formula
In your own words, what does "chemical formula" mean?
A notation using symbols and numbers to show which elements, and how many atoms of each, make up a compound.
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