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What do elements of the same period have in common? number of valence electrons O number of shells O number of protons O atomic mass
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What do elements of the same period have in common?

number of valence electrons
O number of shells
O number of protons
O atomic mass

User Peakxu
by
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2 Answers

3 votes

Answer:

its actually the number of shells

Step-by-step explanation:

valence electrons are the same down any group. atomic orbitals, or shells, are the same across periods

User Rrvasanth
by
4.2k points
3 votes

Answer:

no of valence electrons

Step-by-step explanation:

because valence electrons are the electrons present in the outer orbital

User FrankZp
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4.7k points
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