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09-12-2021
Chemistry

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9. Name the element which has the following numbers of particles:
I

9 Name the element which has the following numbers of particles I class=

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09-12-2021

A. iron

B. iodine

C. Helium

D. calcium

E. lead

F. hydrogen

check your periodic table to see if they are correct

atomic number, proton number and electron are the same

to find neutron = mass number - atomic number

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