Answer:
An element is made up of atoms that are all the same.
Explanation:
An example is hydrogen, where all molecules are made up of two hydrogen atoms:
H
2
Compounds are made up out of different types of atoms:
Water
O
, where every molecule is made up out of two hydrogen and one oxygen atom.
If all molecules in a substance are the same, we speak of a pure substance, otherwise it's a mixture.
Not sureeee
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Answers & Comments
Answer:
An element is made up of atoms that are all the same.
Explanation:
An example is hydrogen, where all molecules are made up of two hydrogen atoms:
H
2
Compounds are made up out of different types of atoms:
Water
H
2
O
, where every molecule is made up out of two hydrogen and one oxygen atom.
If all molecules in a substance are the same, we speak of a pure substance, otherwise it's a mixture.
Explanation:
Not sureeee