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Atom crossword

Horizontales
An element is composed by only__ type of atom
The first model of the atom was proposed by who?
What is matter made of
A single proton has what electrical charge?
The center of the atom is called what?
Verticales
A positively charge subatomic particle is a what?
A negatively charge subatomic particle is called a what?
When did John Dalton publish his ideas about atoms?
Atoms are the __ unit of an element
The nucleus of an atom consist of what?
Changing the number of neutrons of an atom changes it's
When you change the number of electrons on an atom, you produce a diffrent what?
An element is determined by the number of what?