Atomic Radius

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Alma Carrera 3C
Posts: 33
Joined: Fri Apr 06, 2018 11:02 am

Atomic Radius

Postby Alma Carrera 3C » Fri Oct 26, 2018 11:36 pm

I understand that the atomic radii decreases along the periods and increases down the groups, but do we have to know the actual radius? For example in problem 2.57 from the 6th edition, they include the actual radius of the elements, but I don't know where they got those values from.

MinaChoi_3H
Posts: 31
Joined: Fri Sep 28, 2018 12:25 am

Re: Atomic Radius

Postby MinaChoi_3H » Fri Oct 26, 2018 11:40 pm

Information like this will be given, you don't need to memorize them.

Nathan Tran 4K
Posts: 92
Joined: Fri Sep 28, 2018 12:16 am

Re: Atomic Radius

Postby Nathan Tran 4K » Sat Oct 27, 2018 12:34 am

Knowing the trend like you mentioned is probably something we need to know, but knowing the actual values will be given, as we are not expected to memorize the values of atomic radii.

Miriam Sheetz 2B
Posts: 64
Joined: Fri Sep 28, 2018 12:25 am

Re: Atomic Radius

Postby Miriam Sheetz 2B » Sat Oct 27, 2018 9:44 am

You only will know the atomic radius if it is experimentally determined. For the purposes in our class, we only have to know the general trend.

Hanlin Zhu 4G
Posts: 30
Joined: Fri Sep 28, 2018 12:28 am

Re: Atomic Radius

Postby Hanlin Zhu 4G » Sat Oct 27, 2018 3:13 pm

I think knowing the general trends and being able to compare between two atoms given a periodic table is needed. We don't need to memorize the specific values.

harperlacroix1a
Posts: 43
Joined: Fri Sep 28, 2018 12:19 am

Re: Atomic Radius

Postby harperlacroix1a » Sun Oct 28, 2018 4:00 pm

I doubt we will be expected to know exact values. I think just knowing the trends and which radii is larger is sufficient

Niveda_B_3I
Posts: 60
Joined: Fri Sep 28, 2018 12:24 am

Re: Atomic Radius

Postby Niveda_B_3I » Sun Oct 28, 2018 4:26 pm

You just need to know trends, and maybe why the trends make sense.

Jonathan Cheng 3C
Posts: 30
Joined: Fri Sep 28, 2018 12:23 am
Been upvoted: 1 time

Re: Atomic Radius

Postby Jonathan Cheng 3C » Sun Oct 28, 2018 9:00 pm

We only need to know the general trend of atomic radii and the other properties. Information such as the specific atomic radii will be given to us on the test if it is needed to be used.

Anjali 4A
Posts: 59
Joined: Fri Sep 28, 2018 12:28 am

Re: Atomic Radius

Postby Anjali 4A » Sun Oct 28, 2018 9:42 pm

I believe that we don't have to know the specific values as they will be provided to us if needed. Knowing the trends and justifications will be helpful.


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