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Atom Crossword
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4. an atom, radical, or molecule that has
gained or lost one or more electrons and has a
negative or positive charge
5. when electrons go around the nucleus of an
atom
1. a sample of matter, either a single element
or a single compound, that has definite
chemical and physical properties
2. a substance that cannot be separated or
broken down into similar substances by
6. an element that is shiny and conducts heat
and electricity well
7. a stable subatomic particle occurring in all
atomic nuclei, with a positive electric charge
equal in magnitude to that of an electron
8. an element that conducts heat and
electricity poorly and that does not form
positive ions in an electrolyte solution
9. anything that has mass and takes up space
10. the sum of the numbers of protons and
neutrons that make up the nucleus of an atom
12. an ion that has a negative charge
14. the central and most important part of an
object, movemen, or group, forming the basis
for its activity and growth
chemical means: all atoms of an element have
the same atomic number
3. the number of protons in the nucleus of an
atom; the atomic number is the same for all
atoms of an element
4. an atom that has the same number of
protons (or the same atomic number) as other
atoms of the same element but that has a
different number of neutrons (and thus a
different atomic mass)
5. a stable subatomic particle with a charge of
negative electricity, found in all atoms and
acting as the primary carrier of electricity in
solids
11. a subatomic particle of about the same
mass as a proton but without an electronic
charge
13. an ion that has a negative charge