Which is NOT true about the atomic number?
A. The atomic number of an element is the number of protons in an atom.
B. The atomic number of an element is equal to the positive charge of an atom’s nucleus.
C. The atomic number of an element is equal to the number of electrons in a neutral atom.
D. The atomic number of an element is equal to the number of electrons in a charged atom.
Answer:D
Which is NOT true about the atomic number?
A. The atomic number of an element is the number of protons in an atom. B. The atomic number of an element is equal to the positive charge of an atom’s nucleus. C. The atomic number of an element is equal to the number of electrons in a neutral atom. D. The atomic number of an element is equal to the number of electrons in a charged atom.