Which of the following chemical formulas represents a molecule? H2 CO2 SiO2 NH3

Chemistry

2 answers:

astraxan [27]2 years ago

5 0

Answer:

Explanation:

H (or hydrogen), being a halogen, as an atom, has 7 valence electrons. This means that it naturally bonds with another atom of the same isotope in order to reach the desired total of valence electrons: 8.

So... H+H = H2. EZ

love history [14]2 years ago

5 0

Answer:

its all of them

Explanation:

i just did it lol but just incase, "Molecules are made of two or more atoms that are chemically bonded together. The atoms can be of the same element or of different elements. Therefore, H2, CO2, SiO2, and NH3 are all molecules."

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