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Chemistry

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Running Head: CHEMISTRY 1
Chemistry
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CHEMISTRY 2
Chemistry
Define or explain each of the following terms, and show how they relate to the other terms in
each group. Build a concept map using these terms to show their relationship to one another.
Protons
A proton is a particle which is positively charged and found within the nucleus of an atom. The
number of protons in the nucleus of an atom determines its atomic number. It has a positive
charge which is equal and opposite that of electron (Atkins & Paula, 2010). Its mass is 1.673 ×
10
-27
kilograms which is slightly less than that of the neutron.
Neutrons
A neutron is a subatomic particle that is found in the nucleus of atoms. This particle has no
charge and is therefore neutral. They are the heaviest subatomic particles at 1.675 × 10
-27
kilograms (Atkins & Paula, 2010). In many cases, the number of neutrons and protons in the
nucleus of an atom are equal. However, there are cases where the number of protons and
neutrons in an element vary and this results in an isotope.
Electrons
The electron is a subatomic particle that is negatively charged. The electron can either be free or
be attached to the atomic nucleus. It is located outside the nucleus in the different spherical shells
of different radius and are a representation of orbits. Unlike protons, these particles are
negatively charged.
Mass spectrometry
As already mentioned above, atoms may have the same number of protons but different amount
of neutrons and thus different atomic masses with various relative abundance (Atkins & Paula,
2010). The mass spectrometry is the technique used in the determination of the relative

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Running Head: CHEMISTRY 1 Chemistry Student’s Name Institution’s Name CHEMISTRY 2 Chemistry Define or explain each of the following terms, and show how they relate to the other terms in each group. Build a concept map using these terms to show their relationship to one another. Protons A proton is a particle which is positively charged and found within the nucleus of an atom. The number of protons in the nucleus of an atom determines its atomic number. It has a positive charge which is equal and opposite that of electron (Atkins & Paula, 2010). Its mass is 1.673 × 10-27 kilograms which is slightly less than that of the neutron. Neutrons A neutron is a subatomic particle that is found in the nucleus of atoms. This particle has no charge and is therefore neutral. They are the heaviest subatomic particles at 1.675 × 10-27 kilograms (Atkins & Paula, 2010). In many cases, the number of neutrons and protons in the nucleus of an atom are equal. However, there are cases where the number of protons and neutrons in an element vary and this results in an isotope. Electrons The electron is a subatomic particle that is negatively charged. The electron can either be free or be attached to the atomic nucleus. It is located outside the nucleus in the different spherical shells of different radius and are a representation of orbits. Unlike protons, these particles are negatively charged. Mass spectrometry As already mentioned above, atoms may have the same number of protons but di ...
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