If potassium (K) has a density of 0.86 g/cm3, which element would have a similar density? A.
carbon (C)

B.
neon (Ne)

C.
sodium (Na)

D.
iron (Fe)

C: Sodium

Explanation:

Iron had a way higher density neon has way to know as well as carbon and the closest one is sodium

colorless gas, exhibiting a blue glow when placed in an electric field

b) solid

its a type of rock

answerto predict;