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I have 2 Valence electrons and 1 energy levels

User Tei
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2 Answers

6 votes

Answer:

Hydrogen (H) and helium (He) have a valence shell containing one and two electrons respectively. They make up the first period (row) of the periodic table. Their valence electron/s are in the first energy level (n=1) , as is denoted by 1s1 and 1s2.

Step-by-step explanation:

Logic... if its wrong imma cry

User Abronan
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4 votes

Answer:

Hydrogen(H) and Heluim(He)

Step-by-step explanation:

These are the only two valennce electrons and 1 energy levels.

User Rayabhik
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