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NEET · Chemistry · Classification of Elements · Period of Element

Exercise and reference answers

Matching pairs
  1. A
    Hydrogen
    B
    Period 1
  2. A
    Lithium
    B
    Period 2
  3. A
    Sodium
    B
    Period 3
  4. A
    Potassium
    B
    Period 4
  5. A
    Rubidium
    B
    Period 5
  6. A
    Caesium
    B
    Period 6
Instructions
Flip cards to match each element to its period.
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