Elements that are in period ONE
Has ___ electron shells

1

Explanation:

Theres only one element in period one, and that is hydrogen. it has one proton, meaning it also has only one electron. This is one way to help you find the answer.

you can also find it by looking at the number beside it, that number is the amount of shells on the atom (Arrow pointing at it in the image below)

this is an example of "committed" time.

committed time, as contracted time, takes need over essential and available time since it is seen as profitable work. it alludes to the time allotted to keep up a home and family. at the point when a man is commuting using committed time this individual may feel that the drive is an obligation to family, for example, strolling youngsters to class or driving a mate to work. contracted and committed time clients may feel that their commute could really compare to the commute of important or leisure time clients on the grounds that their commute is profitable work. in this manner, they might be more disposed to pick a mechanized method of movement.