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Chemistry 21 Online
Kyky232:

if the atomic number is 12, what does the nucleus contain?

dontsaymyname:

Any Answer choices?

Kyky232:

6 protons and six neutrons 6 neutrons and six electrons 12 neutrons and 0 protons 12 protons and 0 electrons

ramen:

Electrons aren't in the nucleus so it can't be b

ramen:

This element is magnesium and it has an atomic mass of about 24

Kyky232:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @ramen This element is magnesium and it has an atomic mass of about 24 \(\color{#0cbb34}{\text{End of Quote}}\) ik that. I just need help answering

ramen:

yep i getting there

ramen:

I'm looking through my notes

dontsaymyname:

I'm thinking D personally because The atomic number is the number of protons in the nucleus of an atom.

ramen:

Atomic number = protons, and neutrons = mass-protons

ramen:

So if the atomic number is 12, there are _ protons

dontsaymyname:

Beat ya to it, Ramen haha :) jk

ramen:

\(\color{#0cbb34}{\text{Originally Posted by}}\) @dontsaymyname Beat ya to it, Ramen haha :) jk \(\color{#0cbb34}{\text{End of Quote}}\) lol

ramen:

also protons=electrons

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