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Physical Science

Atoms, protons etc

What has a positive charge? Protons
Whats has a negative charge? Electrons
What has a neutral charge? Neutrons
How do you get protons? From the atomic number
Does atomic number or mass number go on top when writing a isotope notation? Mass number
What are two ways you can write an isotope notation?(there is a third way) Iron-55 or Fe-55
What is the average mass of an element's naturally occurring atom called? Atomic Mass
What is it called when you add the total number of protons and neutrons? You get... The Mass Number
Where are protons and neutrons found? The Nucleus
What do you have to subtract in order to get the number of neutrons? Atomic number and Mass number.
Where are the electrons found? In the electron cloud.
What is an isotope? It is an atom of the same element with a different number of neutrons
What happens to an atom if the number of protons is changed? The elements change.
Where are electrons found inside the electron cloud? They are found in the energy levels.
What do you need for isotopes to be the same element? You need the same number of protons.
What is determined by the number of protons in one atom of an element? Its identity.
What does the atomic number tell you? The number of protons and electrons.
Created by: 100000687743032