Question

check all the examples of elements:
select all correct options
hydrogen (h₂)
water (h₂o)
nitrogen (n₂)
sulfur (s)
carbon monoxide (co)

Explanation:

An element is a pure substance that cannot be broken down into simpler substances by chemical means. Hydrogen (\(H_2\)) is an element as it consists of only hydrogen atoms. Nitrogen (\(N_2\)) is an element made up of nitrogen atoms. Sulfur (\(S\)) is an element. Water (\(H_2O\)) is a compound (made of hydrogen and oxygen atoms chemically combined). Carbon monoxide (\(CO\)) is a compound (made of carbon and oxygen atoms chemically combined).

Answer:

Hydrogen (\(H_2\)), Nitrogen (\(N_2\)), Sulfur (\(S\))