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OpenStudy (anonymous):
Name the element which has the following numbers of particles: 20 protons
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OpenStudy (secret-ninja):
Calcium has 20 neutrons and protons.
OpenStudy (anonymous):
If you look on the periodic table you will see the number in the top corner indicating how many protons the element has
OpenStudy (secret-ninja):
^ Yes you could also search up a periodic table on Google images it will make your work go by easier. :)
OpenStudy (anonymous):
okay thanks guys! :)
OpenStudy (secret-ninja):
Anytime. :)
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