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svet-max [94.6K]
2 years ago
15

Atom X has a total of 52 elementary particles and a mass number of 35. X's atomic number is

Chemistry
1 answer:
ivolga24 [154]2 years ago
3 0

Answer:

17

Explanation:

The number of elementary particles in the atom X = 52

The mass number of atom X = 35

The information required = The atomic number

The number elementary particles of the atom = The number of protons + The number of neutrons + The number of electrons

The mass number of an atom = The number of protons + The number of neutrons

∴ The number of electrons = The number elementary particles of the atom - The number elementary particles of the atom

The number of electrons = 52 - 35 = 17

In a neutral atom, the number of protons = The number of electrons = 17

The atomic number of atom, X = The number of protons in X = 17

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