They are elements.
oxygen nitrogen neon carbon dioxide hydrogen Argon, neon, hydrogen, oxygen and nitrogen are gasses.
nitrogen oxygen carbon dioxide
Examples are: oxygen, hydrogen, nitrogen, etc.
Nitrogen and Oxygen (which make up about 99% of air)
Oxygen and Nitrogen are two examples
There are many examples. At room temperature some examples might be nitrogen, hydrogen, helium, oxygen, neon, etc.
Oxygen and nitrogen are elements, not matter in themselves. Matter refers to anything that has mass and takes up space, which includes elements like oxygen and nitrogen, as well as compounds and mixtures.
gasses such as helium, hydrogen, oxygen, nitrogen, sulphur, argon etc
Examples of gases: oxygen, helium, radon, nitrogen, etc.
Examples: carbon, hydrogen, oxygen, nitrogen, phosphorous, etc.
Cheese right someone put cheese how is that a colourless gas i will never know but i think the answer is gas
O2 - oxygen gas H2 - Hydrogen gas N2 - Nitrogen gas