the number of oxygen atoms in each oxygen molecule
Explanation:
The subscript in O₂ signifies the number of oxygen atoms in each oxygen molecule.
An atom is the smallest indestructible particle that takes part in chemical reactions.
Molecules are combinations of atoms. They are usually formed when two atoms combines and shares their valence electrons to form covalent bonds.
- An oxygen molecule O₂ is made up of two oxygen atoms.
- The oxygen atoms are held by covalent bonds.
- The 6 coefficient denotes the volume or number of molecules.
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Answer:
The tentacles.
Explanation:
The both form from the same developmental tissue
The answer is D, being breathed into the lungs.
D climate change is a serious issue. we need to make a change
