Asked by Jiskha

The element with atomic number 2 is similar in chemical properties to the element with atomic number 20

Correct or Incorrect?
Answered by R_scott
2 is helium ... 20 is calcium
Answered by Jiskha
its a yes or no question I know 2 is helium and 20 is calcium
Answered by DrBob222
Do you think He, as a gas, as similar properties to Ca, as a solid?
Answered by oobleck
are He and Ca in the same column of the periodic table?
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