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Chemistry 22 Online
OpenStudy (tywower):

The graph below shows the atomic radius for the first six main group elements in Period 3 of the periodic table

OpenStudy (tywower):

Above is a bar graph with the following elements and their atomic radii: sodium (Na) is 2.23, magnesium is 1.72, aluminium (Al) is 1.82, silicon (Si) is 1.46, phosphorus (P) is 1.23, sulfur (S) is 1.09. Based on the information in this graph, which of the following would be the best estimate of the atomic radius of chlorine (Cl), the seventh main group element in Period 3? A. 0.5 x 10-10 m B. 1.0 x 10-10 m C. 2.5 x 10-10 m D. 3.0 x 10-10 m

OpenStudy (tywower):

OpenStudy (tywower):

@bookworm1156

OpenStudy (tywower):

@Astrophysics

OpenStudy (tywower):

@dan815

OpenStudy (tywower):

@Nnesha

OpenStudy (tywower):

@Annа

OpenStudy (tywower):

@winsteria

OpenStudy (tywower):

@Preetha

OpenStudy (tywower):

@radar

OpenStudy (tywower):

@malice

OpenStudy (tywower):

YAY I NEED YOUR HELP SOO BAD

OpenStudy (dan815):

okay look at the periodic table

OpenStudy (dan815):

Na) is 2.23, magnesium is 1.72, aluminium (Al) is 1.82, silicon (Si) is 1.46, phosphorus (P) is 1.23, sulfur (S) is 1.09. where do you think chlronie fit inbetween these

OpenStudy (tywower):

mhmm

OpenStudy (dan815):

chlorine*

OpenStudy (tywower):

not sure dan

OpenStudy (dan815):

http://prntscr.com/6zpicb

OpenStudy (dan815):

lets see do you think chlronie should have more atomic radius or less

OpenStudy (tywower):

less

OpenStudy (dan815):

the elements in the same row are all in the same valence shell, but the number of electrons and protons is changing, when there are more protons in the nucleus there is more attraction to the electrons floating in the valence shell, so the they are attracted closer and the atomic radius decreases

OpenStudy (tywower):

soo

OpenStudy (dan815):

sooo

OpenStudy (dan815):

what do you think is the best guess for its atomic radius

OpenStudy (dan815):

A. 0.5 x 10-10 m B. 1.0 x 10-10 m C. 2.5 x 10-10 m D. 3.0 x 10-10 m

OpenStudy (tywower):

hmm the first onee

OpenStudy (tywower):

ughhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh

OpenStudy (tywower):

really @dan815

OpenStudy (tywower):

@TheSmartOne

OpenStudy (tywower):

@quickthing

OpenStudy (tywower):

@dan815

OpenStudy (tywower):

@MilkNCookies

OpenStudy (tywower):

@theopenstudyowl

OpenStudy (tywower):

@TheSmartOne

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