Fechar
Atoms
Where does the word 'atom'
come from?
What is a scientific model?
Who developed the atomic theory
of matter?
What is the atomic theory of matter?
What are atoms made up of?
What are the subatomic particles?
How do these particles make
up an atom?
Why are the electrons bound to the nucleus?
What is the total charge of an atom?
Why?
What is the charge of protons?
What is the charge of electrons?
What is the charge of neutrons?
Atomic number
Mass number
What determines a type of atom?
What symbol calculates the number of protons, neutrons and electrons in an atom?
How do you calculate the number of protons in an atom?
How do you calculate the number of electrons in an atom?
How do you calculate the number of neutrons in an atom?
What are electron shells?
How many layers are there?
How many electrons can they each hold?
