Which of the following statements about elements is false?
A. An element is a pure substance.
B. An element is made up of compounds.
C. An element is represented by chemical symbol
D. Each element has its own atomic number.
3 answers
B is exactly backwards
B because an element is made up of one kind of atom
B is correct but remember that atoms of the same element may differ in the number of neutrons because of isotopes.
1 answer