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Chemistry 9 Online
OpenStudy (superhelp101):

How are the periods, or horizontal rows, on a periodic table ordered from left to right? by increasing number of protons. by decreasing number of neutrons. by similar state of matter. by similar number of valence electrons.

OpenStudy (superhelp101):

@asib1214

OpenStudy (superhelp101):

@Somy

OpenStudy (superhelp101):

@radar @esshotwired @Squirrels @ganeshie8 @ikram002p

OpenStudy (somy):

what do u think?

OpenStudy (somy):

there is a very obvious option the rest are absolutely wrong

OpenStudy (superhelp101):

the first one!

OpenStudy (somy):

bingo :)

OpenStudy (superhelp101):

thank you!

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