1. Neutron

2. Neutron-
–noun Physics.
|| an elementary particle having no charge, mass slightly greater than that of a proton, and spin of 1/2 : a constituent of the nuclei of all atoms except those of hydrogen. Symbol: n ||
, . "Dictionary.com an ask.com service." Dicionary.com. 2010. . 2 February, 2010. http://dictionary.reference.com/browse/Neutron.
3. Nucleus, in my own words- A neutron is a neutrally charged piece of matter that joins a proton to create a nucleas.
4.
external image Nucleus_drawing.png
Cam-Ann
http://upload.wikimedia.org/wikipedia/commons/8/84/Nucleus_drawing.png

5. A non-example is a neutron and an electron.

6. I can remember the word by thinking of the word neutral or thinking of an atom.

7.
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8. No synonyms

9. Electron, Proton, Nucleus, Atom, Molecule