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Chemical reactions involve valence electrons and not protons.
Oxygen.
Use the Related Question for how to find the number of protons and electrons in an atom and then add up the number of each atom for each atom in the molecule.
2
10 protons, 8 (or more, up to 14) neutrons
The number of neutrons will vary depending on the isotopes of hydrogen and oxygen in the molecule. The number of protons and electrons will be 10 each in every molecule.
the electrons and protons of the atoms inside the molecule
Chemical reactions involve valence electrons and not protons.
Oxygen.
Use the Related Question for how to find the number of protons and electrons in an atom and then add up the number of each atom for each atom in the molecule.
An ion exists as an atom or a molecule where the total number of protons in the nuclei do not equal the atom/molecule's electrons. An example is Ca2+. It has 2 less electrons than it has protons.
An ion exists as an atom or a molecule where the total number of protons in the nuclei do not equal the atom/molecule's electrons. An example is Ca2+. It has 2 less electrons than it has protons.
Electrons are found in the nucleus while protons and neutrons are outside the nucleus.
2
An ion exists as an atom or a molecule where the total number of protons in the nuclei do not equal the atom/molecule's electrons. An example is Ca2+. It has 2 less electrons than it has protons.
An atom is a nucleus of protons and neutrons with electrons orbiting around. An element is an atom with a specific amount of protons, neutrons, and electrons. A molecule is a bunch of atoms stuck together.
10 protons, 8 (or more, up to 14) neutrons