The elements in the periodic table are grouped by similar...

The elements in the periodic table are grouped by similar chemical properties, which come from the similarities in the arrangement of their electrons. These electron arrangements can be expressed as generic outer electron configurations, i.e., the electron configuration outside the noble gas core, for all periods in a group using n instead of a specific number. Similarly, the generic Lewis dot structures for each group can be drawn using X to represent a generic element symbol. Match each generic electron arrangement to the appropriate periodic group number. Note that not all of the electron arrangements must be used. 1A (1) 2A (2) 3A (13) 4A (14) 5A (15) 6A (16) 7A (17) 8A (18)

Transcript

00:01 So we know that the particular elements in the periodic table.

00:05 So elements in the periodic table, they are grouped by similar chemical properties.

00:10 So these similar chemical properties where it has come, these similar chemical properties which come from the similarities in the arrangement of the electrons.

00:21 So why they are having similar chemical properties due to the similarity in the arrangement of electrons, they're having the similar chemical properties.

00:33 So this electronic arrangements, so they are nothing but the generic outer electronic configurations, what will call it generic outer electronic configuration.

00:47 So that is what it means that is nothing but electronic configuration outside the noble gas code.

00:56 So it is also known as electronic configuration.

00:59 That is outside the outside the noble gas core outside noble gas core so here for all periods in a group so for a particular all periods all periods in a particular group so here for a particular group so here we are using an instead of a specific number similarly generally generic louise dot structure for each group for each group it is it can be drawn using x in order to represent the generic element symbol element symbol so here we have to match the generic electron arrangement to the appropriate periodic group number okay so you here what they have given that is one a here one a group two a three a four a five a six a seven a eight year so now the here what will be the generic outer electronic configuration that is the electronic configuration outside the noble gas for all for all periods in a group using and instead of a specific number here we are using so for 1a it will be n s1.

02:42 And also what will be the generic louis dot structure? this will be the generic louis dot structure...

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