Question 1
Question detail
Why do isotopes of the same element have the same chemical properties?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Atoms and isotopes
Question
- A. They have different numbers of protons
- B. They have the same number of neutrons
- C. They have the same number of electrons
- D. They have different mass numbers
Answer
The correct answer is C: They have the same number of electrons.
Explanation
The correct answer is C: They have the same number of electrons. This supports the learning objective "Describe how later evidence led to the idea that the positive charge of the nucleus can be divided into whole numbers of protons." in The development of the model of the atom because it uses the correct atomic and nuclear radiation relationship for Atoms and isotopes. The other options are less suitable because they do not match the required The development of the model of the atom idea: They have different numbers of protons; They have the same number of neutrons; They have different mass numbers.
Common mistake
Confusing Protons and Neutrons
Students often confuse protons and neutrons, thinking they have the same charge or role in the nucleus.
Remember that protons are positively charged and determine the atomic number, while neutrons have no charge and contribute to the mass number.
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