These are aluminum atoms. An atom is the smallest particle of an element that has the properties of that element. Some properties of aluminum are: shiny, silver colored, fragile, and thin. Each element has its own type of properties. Chemists use symbols to represent elements.
1 A person who has passed away and who is no longer alive is someone who would be described as dead.  When your career has faltered, you've been fired and have no hope of gaining your position back, this is an example of a time when your career is dead.
The words die and dye are homophones: they sound alike but have different meanings. The noun die refers to a small cube used for games (plural, dice) or to a tool used for stamping or cutting objects (plural, dies). The verb die means to stop living, to stop functioning, to end. The past tense of die is died. Dying concerns the end of life.