Chemistry
Simson381
26

Which of these pairs of elements have the same number of valence electrons? hydrogen (H) and helium (He) sodium (Na) and potassium (K) carbon (C) and oxygen (O) boron (B) and beryllium (Be)

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(1) Answers
Peanut2

The correct answer is the second option; sodium (Na) and potassium (K.) Both sodium and potassium have the same number of valence electrons. 

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