Atomus
Some say that Democritus named the atom "ATOMUS" which means "invisible" others say John Dalton but i would go with the former (Democritus).
you say helmet in latin (casco)<- in latin
To say "Who am I?" in Latin you can say "quisnam sum Ego?"
How do you say determined in Latin?
Greek
infitialis is the word we say in latin
Atom is a word of Greek, not Latin, origin. It comes from the words "a" (not) and "temnein" (to cut) as the Greeks believed that atoms were the smallest particles of matter in the universe.
To say the word lightning in Latin, a person would say the word "ignis." To say thunder in Latin, the word is "tonitrua."
my is "mihi" in latin
There are no articles in Latin. (a, the, an)
"Sī placet" is how you say "please" in Latin.
legato is how you would say legacy in Latin.