Asked by BrXce

How many neutrons in actinium?

15 years ago

Answered by bobpursley

subtract

Massnumber-atomicnumber.

Look those up fo Actinium.

15 years ago

Answered by BrXce

thanks. what is 227 - 89? i don't have a calculator on hand

15 years ago

Answered by Ms. Sue

Copy this into the Google search box.

227 - 89

15 years ago

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