Question

atomic number of an atom is 17 and mass number is 35. find the number of electrons, protons, neutrons​

Answer 1

Answer:

electron =17

proton =17

neutron=18.

Explanation:

Hope u'll be helpful.

Answer 2

Concept: Basic chemistry, Structure of atoms

Given that: Atomic number is 17 and Atomic mass is 35,

Find: the number the of electron, proton and neutrons,

Solution:

• We know that atomic number equal(Z) to number of protons (P) is equal to electron (e)

                  Z=P=e,

• we know that Atomic mass is equal to addition of atomic number and neutrons(N),

                       $Z^{}+N=A$

        Number of neutrons,$N^{}=A-Z$

therefor,

        this is chlorine atom because atomic no is given 17,

        No of protons(P)=17,   (from Z=P=e)

        No of electrons(e)=17,

        No of neutrons(N)= $A^{}-Z$,

                         $N=35^{}-17,\\ N=18,$

Final Answer: Number of protons=17, Number of electrons=17 and number of neutrons=18,

                            Fig: Atomic structure of chlorine

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