2 years ago

What do all atoms in a period (horizontal rows) have in common?

2 answers:

6 0

Answer:

All of the elements in a period have the same number of atomic orbitals. For example, every element in the top row (the first period) has one orbital for its electrons. All of the elements in the second row (the second period) have two orbitals for their electrons.

hope this helps

if it does please mark brianliest

scoray [572]2 years ago

5 0

Answer:

the same number of atomic orbitals.

Explanation:

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