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.
Immortal is defined as something or someone that can never die. A vampire who cannot ever die is an example of someone who would be described as immortal. The definition of an immortal is a person who cannot ever die, or a person whose fame lives on. A vampire is an example of an immortal if he is unable to ever die. A celebrity whose fame lives on even after his death is an example of an immortal. not mortal; everlasting.