Multiple choice

Which of the following elements are placed in an inverted sequence in Mendeleev’s periodic table?

  1. Cobalt and nickel

  2. Sulphur and chlorine

  3. Scandium and titanium

  4. Magnesium and aluminium
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In Mendeleev’s periodic table, cobalt and nickel were placed in an inverted sequence as nickel and cobalt.

Keep practicing — related questions