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what is the trend of density down the group in alkali metals. please explain with all exceptions

what is the trend of density down the group in alkali metals. please explain with all exceptions

Grade:11

2 Answers

Chaitanya Borah
7 Points
11 years ago

the density increases down the group in s block elements excpt tht of Na and K it is due to d abnormal increase in size of K.

{size} directly proportional to {volume} inversely propotional to {density}

Karthik Eyan
45 Points
11 years ago

In alkali metals, atomic volume increases when we go down the group.

You can also conclude this from Lother Meyer's Curve where the atomic volume of Cs>K>Na>Li

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