The mass number of an atom is equal to _____.
A) the sum of the number of neutrons and the number of electrons per atom.
B) the atomic mass of an element.
C) the atomic number of an element.
D) the sum of the number of protons and the number of neutrons per atom.
E) None of the above
Correct Answer:
Verified
Q121: An element's most stable ion forms an
Q122: Write the symbol and the number of
Q123: The chemical formula Ga2O3 indicates
A) two atoms
Q124: Positron emission by polonium-207 results in the
Q125: Which of the following statements are true?
Q127: The number of neutrons in one atom
Q128: The average mass of a boron atom
Q129: How many neutrons are there in one
Q130: Determine the number of protons and neutrons
Q131: A certain ion X3+ contains 28 electrons
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents