13

The story begins in the early 1900’s, when scientists first started to explore the structure of atoms by smashing them at an extremely high speed. The atoms split into their component particles: the heavy protons and neutrons of the nucleus, and the smaller, lighter electrons that surround it.

3

A current of electrons will flow from the "anode" (first metal) through the wire going to the load and goes through the "cathode" (the second metal)

0

Explanation of the periodic table of elements.

0

A short review on Basic Chemistry according to Dr. Gloria G. Salandanan, a college Science professor.

1

Essential facts, history and uses of the fifth element of the periodic table.

7

A list of all the elements electron configuration in the form of levels, sublevels, and orbitals.

1

Essential facts, history and uses of the fourth element of the periodic table.

2

Essential facts, history and uses of the third element of the periodic table.

1

Essential facts, history and uses of the second element of the periodic table.

2

Hantaro Nagaoka and how he helped the science of the atom.