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Which element has the same number of energy levels as aluminum (Al) and the same number of valence electrons as calcium (Ca)

Which element has the same number of energy levels as aluminum (Al) and the same number of valence electrons as calcium (Ca)
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21 votes
Which element has the same number of energy levels as aluminum (Al) and the same number of valence electrons as calcium (Ca)

User Bruno Laurinec
by
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2 Answers

12 votes

Answer:

Be (Beryllium)

Step-by-step explanation:

User Kamal Dua
by
8.9k points
13 votes

Answer:

magnesium (Mg)

Step-by-step explanation:

User Saphira
by
7.7k points
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