Why does a new period start on the periodic table, instead of the row continuing? A. A new period starts when a new energy shell

Question

3 years ago

7

Why does a new period start on the periodic table, instead of the row continuing? A. A new period starts when a new energy shell

starts. B. A new period starts when a new neutron cycle starts. C. None of these D. It is based on how many protons it has.

Chemistry

1 answer:

Allushta [10] · Answer 1 · 2022-06-24T18:44:09+03:00

Allushta [10]3 years ago

8 0

Answer:

B

Explanation:

All the elements in a period have valence electrons in the same shell. The number of valence electrons increases from left to right in the period. When the shell is full, a new row is started and the process repeats.