Elements are arranged in groups by similar atomic structure on the periodic table. This allows for an element's properties to be

Question

3 years ago

8

predicted based on general periodic trends. One of these trends, energy levels, increase ___________.

1 answer:

KengaRu [80] · Answer 1 · 2022-08-02T03:50:55+03:00

down the group

Explanation:

The energy level into which electrons are accommodated in an atom increases down the group because new electronic shells are being added.

A group is the vertical arrangement of elements on the periodic table.
A period is the horizontal arrangement of elements.
Across a period, the energy level is the same and corresponds the period number.
Period 3 elements have 3 energy levels all through.
Down a group, the energy level increases.
New electronic shells are added as new electrons enters

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