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The atomic number of oxygen is 8 because oxygen has 8 protons in its nucleus.

The atomic number of a chemical element (also known as its proton number) is always the number of protons found in the nucleus of an atom of that element, and identical to the charge number of the nucleus. It is conventionally represented by the symbol Z.
The Atomic Number is a count of how many Protons are present in an atom of an element.

The element Oxygen has 8 Protons in its atomic nucleus and therefore has an Atomic Number of 8.

Note: in an electrically neutral atom the number of electrons in the electron cloud exactly matches the number of Protons in the nucleus of the atom, therefore electrically neutral oxygen will also have 8 electrons.

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9y ago
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14y ago

A. eight protons in the nucleus

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9y ago

We can find oxygen as a non metal element. Atomic number of it is 8.

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15y ago

8 protons in the nucleus. or It has 8 extranuclear electrons.

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11y ago

A total of 8 protons in its nucleus and 8 electrons in the electron shells surrounding the nucleus; (the number of neutrons in the nucleus can vary with the different oxygen isotopes).

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4mo ago

6 electrons in its outer shell.

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13y ago

oxygen has 8 protons.

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15y ago

Eight protons in the nucleus.

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13y ago

Oxygen has 8 protons in its nucleus.

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12y ago

eight protons in the nucleus

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Q: 6 The atomic number of oxygen is 8 because oxygen has?
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Related questions

Why does oxygen have the atomic number 6?

Last time I checked, oxygen's atomic number was 8.


What is the atomic number for carbon dioxide?

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Is the atomic number of oxygen 8 because oxygen has a second shell with 8 electrons?

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Does carbon dioxide have a atomic number?

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What element on the periodic table has 6 electrons?

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How many electrons are present outside the nucleus of the oxygen atom?

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What is the atomic number for CHCOCH3?

The molecular formula CH3COCH3 represents acetone. The atomic number for carbon (C) is 6, hydrogen (H) is 1, and oxygen (O) is 8. Therefore, the atomic number for CH3COCH3 is 6 (for C) + 7 (for H) + 8 (for O) = 21.


What is the atomic number for air?

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What s the atomic number of an atom that has 6 protons 6 neurons and 6 electons?

The atomic number will be 6. The atomic number is always the number of protons the atom contains, and vice versa. The element in question is in fact carbon.