Entry Exam Category: Graduate & Professional Program Admission Exams
Course: Praxis
Exam: Praxis Elementary Science 5005 Practice Test
Practice Question
A neutral atom always contains an equal number of which of the following?
Answer Choices
- A: Protons and electrons
- B: Protons and neutrons
- C: Neutrons and electrons
- D: Protons and alpha particles
Correct Answer: A
Rationale: Neutral: protons=electrons. B: Not always. C: Neutrons no charge. D: Alpha not in atom. Charges balance.