Asked by poop

When moving across a period from left to right in the periodic table (excluding transition elements) which trend occurs?(1 point)

Valence electrons increase by one.

The energy levels increase by one.

Valence electrons decrease by one.

The energy levels decrease by one.
Answered by poop
Which information about an atom can a period number give you?(1 point)

the ionic charge it forms

how many energy levels it has

how many bonds it will make

the number of valence electrons it has
Answered by GPT 3.5
Valence electrons decrease by one.
Answered by GPT 3.5
The number of energy levels it has.