Entry Exam Category: Graduate & Professional Program Admission Exams
Course: Praxis
Exam: Praxis Elementary Science 5005 Practice Test
Practice Question
On the periodic table, elements in the same row are characterized by:
Answer Choices
- A: an increasing number of neutrons from left to right.
- B: a decreasing number of neutrons from left to right.
- C: an increasing number of protons from left to right.
- D: a decreasing number of protons from left to right.
Correct Answer: C
Rationale: Row/period: protons increase left to right. A,B: Neutrons vary. D: Decreases wrong. Atomic number increases.