Chemistry Homework Question

How does atomic structure link to the layout of the periodic table? Include one example.

The group determines number of electrons on outer shell.
The period determines the number of shells.

The group determines number of electrons on outer shell.
The period determines the number of shells.

Thankyou. An example? I have to write a paragraph at least.

Original post by Sneedshelp

Thankyou. An example? I have to write a paragraph at least.

He literally just answered the question.
Now just use sodium or something and compare it to another element in another group.

For example, Mg has an electronic configuration of 2,8,2. It has 3 shells and 2 electrons on the outer shell. Hence it is at group 2, period 3.

For example, Mg has an electronic configuration of 2,8,2. It has 3 shells and 2 electrons on the outer shell. Hence it is at group 2, period 3.

Thankyou so much

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