Oxygen atom has 8 electrons, 8 protons and 8 neutrons. Find out the mass number of oxygen atom. (2024)

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Solution

The mass number of an atom = no of protons + no of neutrons
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fluorine Zirconium is used in:poison ivy lotionsand papersceramicsall of above A guide to all the Elements of the Periodic Table | A Short(ish) guide Gallium - Element information, properties and uses
Atomic number of Oxygen = 8
Number of protons = 8
Number of neutrons = 8
Hence, the mass number of an oxygen atom = 8 + 8 = 16

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Similar questions

Q. In a sample of ethyl ethanoate (CH₃COOC₂H₅), the two oxygen atoms have the same number of electrons but different number of neutrons. Which of the following is the correct reason for it ?

(a) one of the oxygen atoms has gained electrons

(b) one of the oxygen atoms has gained protons

(c) the two oxygen atoms are isotopes

(d) the two oxygen atoms are isobars

Which element is the most reactive?

Q. Which of the following statement is always correct?

(a) an atom has equal number of electrons and protons

(b) an atom has equal number of electrons and neutrons

(c) an atom has equal number of protons and neutrons

(d) an atom has equal number of electrons, protons and neutrons

Q.

If atoms are so small, then how do scientists know that, for example, oxygen has 8 protons, 8 neutrons, and 8 electrons, and it's atomic mass (15.999= 16)?

Q. Oxygen atom has 8 electrons and 8 protons so oxide ion will have:

Q. Observe the following table:
Name of the elementSymbolNumber of protonsNumber of neutronsNumber of electronsOxygenO888SulphurS161616
With the help of table, find out the mass number of oxygen and sulphur atom.

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Oxygen atom has 8 electrons, 8 protons and 8 neutrons. Find out the mass number of oxygen atom. (2024)

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