Atomic Structure And The Periodic Table Flashcards
What is an atom
The atom is a tiny particle that can’t even be seen with the naked eye
What does the periodic table display?
All the elements
Who argued that everything in the world was made up of particles so small they could not be cut in half?
Democritus
What did Democritus call these things
Atoms
What Greek word does atoms come from and what does it mean
Atomos and it means tiny
When did John dalton refine the idea
1800’s
What are the names of the atoms sub atomic particles
Protons, neutrons and electrons
Where is the cluster of neutrons and protons found
Nucleus
Where do the electrons live
In shells
How are atoms organised on the periodic table
Atomic number
What is a protons relative charge
+1
What is a protons relative mass
1
Where are protons found
Nucleus
What is a neutrons relative charge
0
What is a neutrons relative mass
1
Where are neutrons found
In the nucleus
What is an electrons relative charge
-1