Which item best represents thomson's mental image of an atom?
a. a sponge
b. a chocolate-chip cookie
c. a frisbee
d. a potato chip

Liv sheldon given the balanced equation for an organic reaction: c2h2 + 2cl2 → c2h2cl4 this reaction is best classified as *

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false

One similarity and one difference between an element and a mixture of elements