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The Atom

QuestionAnswer
What is an atom? The smallest part of an element which still has the properties of that element.
What are the three elements of an atom? Protons, Neutrons and Electrons
Where are Protons found? In the Nucleus
Where are Electrons found? Orbiting the Nucleus
What charge have Neutrons? Neutral charge
What charge have Protons? Positive
What part of the atom has a negative charge? Electrons
What does Atomic number represent? Number of Protons/ Number of electrons in an atom
What does Mass number tell us? The total number of Protons and Neutrons in an atom
What is an element? A substance made up of only one type of atom
Two or more atoms combined together form....... A molecule
Which is bigger- Atomic number of Mass number? Mass number
What does The Bohr Model represent? Structure of an Atom
Electrons are placed in......... Shells orbiting the Nucleus
How many electrons can be placed within the first shell? 2
How many electrons can an electron shell (apart from the first shell) hold? 8
What are Isotopes? Atoms of the same element that have different number of Neutrons
Created by: James McLoughlin