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CHEMISTRY FINAL EXAM REVISION QUESTIONS 2024/2025. THE LATEST REVISION QUESTIONS AND CORRECT ANSWERS IN 2024/2025. (ALREADY GRADED A+) (LATEST 2024 UPDATE)$8.49
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CHEMISTRY FINAL EXAM REVISION QUESTIONS 2024/2025. THE LATEST REVISION QUESTIONS AND CORRECT ANSWERS IN 2024/2025. (ALREADY GRADED A+) (LATEST 2024 UPDATE)
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Course
AP Chemistry
Institution
AP Chemistry
Which phrase describes an atom? - answer- a negatively charged electron cloud surrounding a
positively charged nucleus
Which statement correctly describes the charge of the nucleus and the charge of the electron cloud
of an atom? - answer- the nucleus is positive and the electron cloud is negati...
CHEMISTRY FINAL EXAM REVISION QUESTIONS 2024/2025. THE LATEST
REVISION QUESTIONS AND CORRECT ANSWERS IN 2024/2025. (ALREADY
GRADED A+) (LATEST 2024 UPDATE)
Which phrase describes an atom? - answer- a negatively charged electron cloud surrounding a
positively charged nucleus
Which statement correctly describes the charge of the nucleus and the charge of the electron cloud
of an atom? - answer- the nucleus is positive and the electron cloud is negative.
Which of these phrases best describes an atom? - answer- a positive nucleus surrounded by a
cloud of negative charges
In which group of elements do most atoms have completely filled s and p valence sublevels? -
answer- noble gases
What is the total number of orbitals in the d sublevel of an atom? - answer- 5
Atoms of an element in the ground state found in period 4 of the periodic table must have - answer-
electrons in the fourth principal energy level
What is the maximum number of electrons in an orbital of any atom? - answer- 2
Which sublevel contains a total of 5 orbitals? - answer- d
What is the total number of electrons needed to completely fill all of the orbitals in an atom's
second principal energy level? - answer- 8
, Four valence electrons of an atom in the ground state would occupy the - answer- s and p
sublevels, only
Which of the following sublevels contains the greatest number of orbitals? - answer- f
A maximum of 6 electrons can occupy - answer- 6
Compared to the energy and charge of the electrons in the first shell of a be atom, the electrons in
the second shell of this atom have - answer- more energy and the same charge
An electron will emit energy in quanta when its energy state changes from 4p to - answer- 3s
As an electron moves from a 3s orbital to a 2s orbital, the energy of the atom - answer- decreases
Which of the following sublevels has the highest energy? - answer- 3p
As an electron moves from a 3s orbital to a 2s orbital, the energy of the atom - answer- decreases
Energy is released when an electron changes from a sublevel of - answer- 3s to 2s
Which electron transition would result in the emission of energy? - answer- 4p to 4s
An electron in an atom will emit energy when it moves from energy level - answer- 2p to 1s
Which electron configuration represents the electrons in an atom of sodium in the ground state at
stp? - answer- 2-8-1
In the ground state, all atoms of group 15 elements have the same number of - answer- valence
electrons
What is the number of electrons in an atom of scandium? - answer- 21
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