Which of the following statements is true?
A: The number of electron shells in an atom i...
Biology, 12.02.2020 18:14 AeelynRamos
Which of the following statements is true?
A: The number of electron shells in an atom is called the atomic number.
B: Boiling and melting points are chemical properties.
C: A molecule of oxygen can have atoms of carbon in it.
D: Elements are substances made of only one type of atom.
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