Chemistry, 23.06.2019 13:30 Catracho3619

32p and 31p are two isotopes of phosphorus. compare the number if subatomic particles that are present in the atoms of these isotopes.

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Answer from: 322993

Answer & Explanation:

Subatomic particles are particles much smaller than atoms.

Atoms are composed mainly of protons, neutrons, and electrons.

³²P:

number of electrons: 15,number of protons: 15,number of neutrons: 17.

³¹P:

number of electrons: 15,number of protons: 15,number of neutrons: 16.

Answer from: ratpizza

Thus for $_{15}^{32}\textrm{P}$ , no of electrons = no of protons = 15, number of neutrons = 17

For $_{15}^{31}\textrm{P}$ , no of electrons = no of protons = 15, number of neutrons = 16.

Explanation:

Isotopes are elements which have same atomic number but different mass number.

General representation of an element is given as: $_Z^A\textrm{X}$

where,

Z represents Atomic number

A represents Mass number

X represents the symbol of an element

Thus the isotopes of phosphorous are represented as $_{15}^{32}\textrm{P}$ and $_{15}^{31}\textrm{P}$

An atom is smallest unit of a matter or substance.It consist of three subatomic particles : electrons, protons, neutrons.

Mass number is defined as the sum of number of protons and neutrons that are present in an atom.

Mass number = Number of protons + Number of neutrons

Atomic number is defined as the number of protons or number of electrons that are present in an atom.

Atomic number = Number of electrons = Number of protons

Thus for $_{15}^{32}\textrm{P}$ , no of electrons = no of protons = 15 and number of neutrons = 32-15= 17.

Thus for $_{15}^{31}\textrm{P}$ , no of electrons = no of protons = 15 and number of neutrons = 31-15= 16.

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32p and 31p are two isotopes of phosphorus. compare the number if subatomic particles that are prese...

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