Science

3. / atoms of the same element that contain the same number of protons and electrons but a different number of neutrons.
6. / rate of flow of electric charges through a conducting medium
10. / number of protons and electrons in the atom.
12. / difference in energy between two parts of a circuit
14. / negative part of an atom
16. / two elements bond together
18. / transfer of heat by electromagnetic waves
20. / m/v

1. / what the periodic table is made of
2. / the center of an atom
4. / type of circuit were energy has more than one path to travel
5. / imbalance of electric charges on the surface of a material
7. / turning effect of a force
8. / part of an atom with neutral charge
9. / movement of heat by a fluid such as water or air
11. / type of circuit were energy has just one path to travel
13. / positive part of an atom
15. / form of transfering energy from one molecule to another by direct contact (solids)
17. / total number of protons and neutrons in the nucleus of an atom
19. / charged atom or molecule, the number of electrons do not equal the number of protons in the atom.