Periodic Trends Webquest printable pdf download

CH 5 .3 -‐ Periodic T rends W ebQuest

Atomic R adius ( pages 1 50-‐152) U sing y our t ext, p lease a nswer t he f ollowing:

Can t he r adius o f a n a tom b e m easured d irectly?

In w hat u nit i s a tomic r adius u sually m easured?

Define A tomic R adius:

Go t o t he f ollowing w ebsite:

Look a t t he g raph. W hat i s o n t he X A xis ?

What i s o n t he Y A xis ( include u nits)?

The c olors o n t he g raph r epresent r ows o n t he p eriodic t able.

In a c omplete s entence, w hat a ppears t o b e t he t rend i n a tomic r adius a s y ou m ove f rom l eft t o r ight i n

a r ow?

In a c omplete s entence, w hat a ppears t o b e t he t rend i n a tomic r adius a s y ou m ove d own a c olumn?

Using y our t ext, p lease a nswer t he f ollowing:

What i s t he g eneral t rend f or a tomic s ize w ithin a g roup/family f rom t op t o b ottom?

What t wo v ariables a ffect a tomic s ize w ithin a g roup?

What i s t he g eneral t rend i n a tomic s ize f rom l eft t o r ight w ithin a p eriod?

Use t he g raph t o t he r ight t o a nswer t he f ollowing:

a. Determine w hich m etal h as a n a tomic r adius o f

2 38 p m?

b. Is a n a tom o f b arium, a tomic n umber

56, s maller o r l arger t han a n a tom o f

cesium ( Cs)?

c. Which h as a l arger a tom, h elium o r a rgon?

d. Which h as a l arger a tom, p otassium o r a rgon?

Ions a nd I onization E nergy ( pages 1 53-‐156) U sing y our t ext, p lease a nswer t he f ollowing:

9. W hat i s a n i on?

10. H ow a re i ons f ormed?

1 1. A n i on w ith a p ositive c harge i s c alled a (n) _ _ 12. A n i on w ith a n egative c harge i s c alled a (n)

13. D efine I onization E nergy:

Go t o t he f ollowing w ebsite:

14.

Look a t t he g raph. W hat i s o n t he X A xis ?

15.

What i s o n t he Y A xis ( include u nits)?

16.

The c olors o n t he g raph r epresent r ows o n t he p eriodic t able.

In a c omplete s entence -‐ What a ppears t o b e t he t rend i n i onization e nergy a s y ou m ove f rom l eft t o

right i n a r ow?

In a c omplete s entence -‐ What a ppears t o b e t he t rend i n i onization e nergy a s y ou m ove d own a

column?

Periodic Trends Webquest