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GCSE
Gcse Chemistry
Atomic Structure 1
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Q.1
Pick the correct combination for the charges of sub-atomic particles.
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Proton +ve Neutron 0 Electron -ve
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Proton 0 Neutron +ve Electron -ve
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Proton +ve Neutron -ve Electron 0
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Proton 0 Neutron 0 Electron -ve
Q.2
The numbers in the options below represent the masses of the three sub-atomic particles. Pick the correct combination.
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Proton 1 Neutron 0 Electron 1
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Proton 0 Neutron 1 Electron 1
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Proton 1 Neutron 1 Electron 0
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Proton 1 Neutron 1 Electron 1
Q.3
The mass number of an element tells us...
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the number of protons in the nucleus
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the number of protons plus electrons
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the number of neutrons plus electrons
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the number of neutrons plus protons
Q.4
The atomic number of an element tells us...
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the number of neutrons in the nucleus
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the number of electrons orbiting the nucleus
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the number of protons orbiting the nucleus
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the number of electrons in the nucleus
Q.5
The atomic number of an element is 11 and its mass number isPick the correct combination of protons, neutrons and electrons.
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p=12, n=12, e=11
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p=11, n=11, e=12
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p=12, n=11, e=11
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p=11, n=12, e=11
Q.6
The protons of an atom are found...
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in the nucleus of the atom
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in orbit around the outside of the nucleus
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dotted throughout the atom
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in lines radiating out from the nucleus
Q.7
The electrons are found...
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in the nucleus of the atom
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in orbit around the outside of the nucleus
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dotted throughout the atom
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in lines radiating out from the nucleus
Q.8
The neutrons of an atom are found...
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in the nucleus of the atom
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in orbit around the outside of the nucleus
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dotted throughout the atom
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in lines radiating out from the nucleus
Q.9
Carbon has two isotopes. These atoms have...
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The same number of protons, but different numbers of electrons
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The same number of electrons, but different numbers of protons
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The same number of protons, but different numbers of neutrons
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The same number of neutrons, but different numbers of electrons
Q.10
If an element has 56 protons, 56 electrons and 81 neutrons, what is its mass number?
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56
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81
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137
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112
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