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