IG Phy – Nucleus and Isotopes
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Question 1 of 10
1. Question
1 point(s)The nucleus of an atom is positive because it contains protons and neutrons.
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Question 2 of 10
2. Question
1 point(s)The relative mass of a proton is approximately 1.
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Question 3 of 10
3. Question
1 point(s)In a neutral atom, the number of electrons is equal to the number of protons.
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Question 4 of 10
4. Question
1 point(s)The mass of an electron is almost equal to the mass of a proton.
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Question 5 of 10
5. Question
1 point(s)The proton number (atomic number) is the total number of protons and neutrons in the nucleus.
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Question 6 of 10
6. Question
1 point(s)Isotopes of an element have the same number of protons but different numbers of neutrons.
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Question 7 of 10
7. Question
1 point(s)Chemically, all isotopes of an element behave the same way.
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Question 8 of 10
8. Question
1 point(s)The relative charge of a neutron is +1.
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Question 9 of 10
9. Question
1 point(s)The nuclide notation 37Li indicates an element with 7 neutrons and 3 protons.
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Question 10 of 10
10. Question
1 point(s)The relative mass of the nucleus is equal to the sum of the relative masses of its protons and neutrons.
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