Rank the following atoms from the most electronegative (top) to the least electronegative (bottom).

The trend of electronegativity is that electronegativity increases across a period, and decreases down a group. This means that the elements in the top right of the periodic table are the most electronegative (excluding noble gases)

Knowing this, let's rearrange the elements given in the question.

We have oxygen, carbon, silicon, hydrogen, lithium, and beryllium.

First let's separate the elements on the left and right side of the periodic table:

Left: Hydrogen, lithium, beryllium.

Right: Oxygen, carbon, silicon.

The elements on the right are more electronegative than the left.

Let's focus on the right elements.

Oxygen would be the most electronegative because it is furthest to the right.

Next would be carbon, because it is one higher than silicon.

Then, it would be silicon.

Now, let's look at the left elements.

Hydrogen would be the most electronegative because it is the highest.

Next would be beryllium because it is to the right of lithium

Last would be lithium because it is the most left, and down the group.

So, the final answer will be

Oxygen

Carbon

Silicon

Hydrogen

Beryllium

Lithium

Hope this helps!! If you have any questions about what I said please leave them down in the comments!