A sulphur atom contains 16 protons and 16 neutrons. Give its atomic number and atomic mass number.

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Solution

Total number of protons in sulphur atom = 16

Total number of neutrons in sulphur atom = 16

Atomic number = Total number of protons present in the atom

So, atomic number of sulphur atom = 16

While atomic mass number = Number of protons + number of neutrons

So, atomic mass of sulphur atom = 16 + 16 = 32

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Atomic number	Mass number	Number of neutrons	Number of protons	Number of electrons	Name of the Atomic species
9	-	10	-	-	-

Atomic number	Mass number	Number of neutrons	Number of protons	Number of electrons	Name of the Atomic species
16	32	-	-	-	Sulphur

Atomic number	Mass number	Number of neutrons	Number of protons	Number of electrons	Name of the Atomic species
16	32	-	-	-	Sulphur

Atomic number	Mass number	Number of neutrons	Number of protons	Number of electrons	Name of the Atomic species
-	2	-	1	-	-

Atomic number	Mass number	Number of neutrons	Number of protons	Number of electrons	Name of the Atomic species
-	1	0	1	1	-

Sulphur has an atomic number 16 and a mass of 32.

State the number of protons and neutrons in the nucleus of sulphur. Give a simple diagram to show the arrangement of electrons in an atom of sulphur.

15

16

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