julie001
The nucleaus of an atom is made up of particles that have a positive charge and (blank) that have no (blank).



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KarolinaJosephine
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particles should be Protons. the blanks neutrons have no charge

julie001
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thanks ! can u help me with more please?


julie001
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the nucleus makes up blank of the mass of the atom. Most of an blank is made up of negatively charged blank.

KarolinaJosephine
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the nucleus make up most of the mass of the atom (about 99.9 %)

julie001
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great thanks

julie001
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one last one the 97 of the protons and neutrons are almost blank to each other while the blank of the electrons is blank

KarolinaJosephine
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for the 2nd part of the question I don't know the first blank off hand but electrons are the negatively charged particles

KarolinaJosephine
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is the last question dealing with a certain atom?

julie001
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im not sure its just a sentence that i need to fill in

KarolinaJosephine
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is it dealing with the element berkelium by chance?

julie001
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idk...

KarolinaJosephine
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if so the number of electrons and protons are both 97 and the number of neutrons 150

julie001
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okay thank you so much for ur help! i really appreciate it :)

KarolinaJosephine
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you're welcome. did you fan me?

KarolinaJosephine
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never mind. I asked that too late