QuestenaPractice that shows what to review next
SearchCreate a test
Question 97

A learner follows the numbered cells across one period and then continues onto the next row. How do atomic numbers change in standard table order?

  1. They increase and do not restart on a new row.Correct answer
  2. They decrease across every row.
  3. They restart at 1 in each period.
  4. They remain constant within a period.

Explanation

Atomic number rises from left to right across a period and keeps rising when the sequence continues on the next row. It does not reset at a new period because each successive element has one more proton than its predecessor.

Continue with this test

Start practice
Understand this topic (≈5 min)Back to test