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Mathematics 18 Online
OpenStudy (dancergirl45):

Which is a way that the elements are grouped on the periodic table? Elements in the same row have the same number of protons. Elements with similar bonding properties are in the same column. Elements in the same column have the same number of neutrons. Elements with similar mass are placed in the same column.

OpenStudy (dancergirl45):

isnt it the same number of valence electrons?

OpenStudy (dancergirl45):

@Vocaloid @gabbyalicorn @baru

OpenStudy (dancergirl45):

@jabez177 @YoungStudier @Sachintha @retirEEd

OpenStudy (rayaz):

The periodic table is arranged in order of increasing proton number.

OpenStudy (rayaz):

Different elements cannot have the same proton number

OpenStudy (dancergirl45):

so a

OpenStudy (mrmoney403):

its actually D

OpenStudy (rayaz):

No because A states that elements within the same column have the same proton number which is false. Elements within the same column (called groups) have the same chemical properties.

OpenStudy (rayaz):

It should be B

OpenStudy (dancergirl45):

ok who do i believe?

OpenStudy (mrmoney403):

me i'm actually looking at a periodic table right now.

OpenStudy (rayaz):

Mass increases down the column

OpenStudy (mrmoney403):

and helium and neon doesn't blend

OpenStudy (retireed):

Your second statement was correct, based on valence electrons which goes to bonding properties so MY final answer is B. I know as an electrical engineer in the semiconductor field, not really good at chemistry, we always talked about column 4 semiconductors (Si, Ge) and III-V hetrojunction semiconductors which are column based materials based outer shell valence electrons that doping elements can be added to change the conductance of the semiconductors base material.

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