The Atoms of a Particular Element All Have the Same

question 256

Multiple Choice

The atoms of a particular element all have the same number of protons as neutrons.Which of the following must be true?

• A)The atomic weight must be a whole number.
• B)The mass number for each atom must equal the atomic weight of the element.
• C)The mass number must be exactly twice the atomic number for each atom.
• D)All of these are true.

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