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Chemistry
11th -
12thgrade
Atomic structure & Periodic Table Review
20 questions
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- 1. Multiple Choice
The energy of an electron can change only in small discrete units called quanta, this statement is
Always true
Sometimes true
Never true
- 2. Multiple Choice
The position and velocity of an electron in an atom can be determined with great certainty, this statement is
Always true
Sometimes true
Never true
- 3. Multiple Choice
Electrons moving from one energy level to another emit light. This statement is
Always true
Sometimes true
Never true
- 4. Multiple Choice
Non metals react by gaining electrons. This statement is
Always true
Sometimes true
Never true
- 5. Multiple Choice
The nucleus of an atom contains protons and neutrons. This statement is
Always true
Sometimes true
Never true
- 6. Multiple Choice
Electrons occupy the 3s sub-level before 3p, this statement is
Always true
Sometimes true
Never true
- 7. Multiple Choice
Ionization energy values are positive, this statement is
Always true
Sometimes true
Never true
- 8. Multiple Choice
Noble gases are have full outer shells and do not form compounds, this statement is
Always true
Sometimes true
Never true
- 9. Multiple Choice
An alloy is a mixture of two or more elements, of which at least one is a metal, this statement is
Always true
Sometimes true
Never true
- 10. Multiple Choice
Atoms acquire the stable configuration of the nearest noble gas by losing electrons, this statement is
Always true
Sometimes true
Never true
- 11. Multiple Choice
An atom in the ground state has seven energy levels, this statement is
Always true
Sometimes true
Never true
- 12. Multiple Choice
The melting point of halogens decreases down the group, this statement is
Always true
Sometimes True
Never true
- 13. Multiple Choice
Transition metals form colored compounds, this statement is
Always true
Sometimes true
Never true
- 14. Multiple Choice
The period number indicates the number of principal energy levels occupied by electrons, this statement is
Always true
Sometimes true
Never true
- 15. Multiple Choice
The p-sublevel can carry a maximum of 10 electrons, this statement is
Always true
Sometimes true
Never true
- 16. Multiple Choice
An electron can move on to a higher orbital to avoid pairing with an electron in a lower orbital, this statement is
Always true
Sometimes true
Never true
- 17. Multiple Choice
The value of the second ionization energy is higher than the first ionization energy, this statement is
Always true
Sometimes true
Never true
- 18. Multiple Choice
Sulphur reacts by gaining two electrons and forming S-2 ion, this statement is
Always true
Sometimes true
Never true
- 19. Multiple Choice
The higher the electron shielding the weaker the attraction between the nucleus and the valence shell, this statement is
Always true
Sometimes true
Never true
- 20. Multiple Choice
The bigger the radius of a metal the lower its ionization energy, this statement is
Always true
Sometimes true
Never True
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