How to spell HAPNIUM correctly?

If you're trying to correct the misspelling "Hapnium", there are a few possible suggestions. It might have been meant to be "Hafnium", an element on the periodic table. Alternatively, it could be "Happium", a fictional word. Without further context, it's difficult to determine the exact correction needed.

• Hafnium Hafnium is used in the control rods of nuclear reactors and is an important element in the aerospace industry.
• Hahnium Hahnium is a highly radioactive element that has a very short half-life, making it difficult to study.

Attenttion

• attention
• attentions
• attenuation
• inattention