The most common and most likely answer to this crossword clue is the 8 letter word HYDROGEN
H
Y
D
R
O
G
E
N
More clues leading to the result HYDROGEN
- Element one sprayed initially has gone dry
- Resort data element
- Huddersfield initially top of the table?
- One on the table, perhaps in the middle?
- Element that’s essential in alchemy?
- Motown founder’s back, embraced by lady, number one in some charts?
- Some of water extremely hazy – doctor round with details
- Cavendish ultimately identified this element
- Initial element of problem incomplete with old information
Buddy explains!

The straight part
We know that "number one in some charts" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case number one in some charts = hydrogen.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does HYDROGEN mean?
HYDROGEN noun- The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.00794.
- Molecular hydrogen (H2), a colourless, odourless and flammable gas at room temperature.
- An atom of the element.
- A sample of the element.