Calculate the subatomic particles for a given atom.
a. Sulfur (S)
b. Cobalt (Co)
C. Uranium (U)
d. Lead (Pb)

Element            No. of protons          Neutrons              Electrons

Sulfur                    16                               16                          16

Cobalt                   27                              33                         27

Uranium                92                            146                         92

Lead                      82                            125                         82

Explanation:

The subatomic particles comprises of electrons, protons and neutrons in any element. Each atom has its own unique atomic number and mass number. As atomic number of any element or atom is equal to the number of electrons in that atom. And a stable atom will have equal number of electrons and protons. So the atomic number will be equal to the number of protons and electrons. Then the neutron number can be obtained from mass number. As mass number is the addition of number of protons and neutrons in the nucleus, the number of neutrons can be obtained by subtracting the number of protons from mass number

So sulfur has an atomic number of 16 and mass number of 32, that means the number of electrons in sulfur is 16, the number of protons in sulfur is also 16 and the number of neutrons in sulfur is 32-16 = 16.

Similarly, Cobalt has an atomic number of 27 and mass number of 60, so the number of protons and electrons is 27, the number of neutrons is 60-27 = 33.

Also, Uranium has an atomic number of 92 and mass number of 238. So the subatomic particles in uranium is 92,92 and 146.

And the atomic number of lead is 82 and mass number is 207, then the subatomic particles in lead is 82,82 and 125.

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