Chemical element and Hydrogen

Chemical element noun - Any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter.

Hydrogen and chemical element are semantically related. In some cases you can replace term "Hydrogen" with "Chemical element", this terms are similar.

Hydrogen noun - A nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe.

Chemical element and hydrogen are semantically related. Sometimes you can use "Chemical element" instead a noun "Hydrogen".

Nearby Word: hydrogenous