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Issue:

Science

 

Written by:

Dean G

 

Date added:

February 12, 2015

 

Level:

University

 

Grade:

B

 

No of pages / words:

2 / 554

 

Was viewed:

1025 times

 

Rating of current essay:

 
Essay content:

These are called subatomic particles. Each element has a definite number of subatomic particles, which make up the center of the atom, called the nucleus. The proton, a subatomic particle that carries a positive charge, is made up of 3 quarks. The proton is one of few particles that are stable alone...
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The proton is one of few particles that are stable alone. Protons positive charge is 1.602 x 10^-27 coulomb. Protons have a mass of 1.67 x 10^-27 kg. Along with neutrons, they account for most of the mass in atoms. The number of protons in the nucleus of an atom determines what kind of element it is...
displayed 300 characters

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