Question:

The Greek word for amber (fossilized resin) is elektron. Explain how this came to be the word describing a certain type of subatomic particle (electron).

Question:

Write two algebraic equations relating the number of protons and neutrons in an atom to that atom's atomic mass and atomic number:

Where,

• P = Number of protons
• N = Number of neutrons
• A = Atomic mass
• Z = Atomic number

Question: 

Of the three types of "elementary particles" constituting atoms, determine which type(s) influence the following properties of an element:

1. The chemical identity of the atoms (whether it is an atom of nitrogen, iron, silver, or some other element).
2. The mass of the atom.
3. The electrical charge of the atom. Whether or not it is radioactive (spontaneous disintegration of the nucleus).

Question: 

Different types of atoms are distinguished by different numbers of elementary particles within them. Determine the numbers of elementary particles within each of these types of atoms:

1. Carbon
2. Hydrogen
3. Helium
4. Aluminum