Quarter 2- Periodical Assessment in General Chemistry I-SY 2022-2023

Quiz by Evangeline D. Tala

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Q 1/50
Score 0
Which quantum number indicates the relative size of an orbital?
29
geometry
electron configuration
principal quantum number
magnetic quantum number

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50 questions

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Q1
Which quantum number indicates the relative size of an orbital?
geometry
electron configuration
principal quantum number
magnetic quantum number
50s
Q2
Which of the following combinations is allowed?
n=4, ℓ =1, ml=+3, ms= -1/2
n=1, ℓ =1, ml= +1, ms= -1/2
n=3, ℓ =1, ml=-3, ms= -1/2
n=2, ℓ =1, ml= -1, ms= +1/2
50s
Q3
What does the magnetic quantum number describe?
distance of the most electron-dense
spatial orientation of the orbital
number of electrons
shape of orbital
50s
Q4
Which element has an electronic configuration of 1s²2s²2p⁶3s²3p⁶4s²3d³?
Copper (atomic number = 29)
Vanadium (atomic number = 23)
Carbon (atomic number = 6)
Krypton (atomic number = 36)
50s
Q5
Which of the following electrons described by quantum numbers (n, l, ml, ms) has the highest energy?
(3,0,0,+1/2)
(4,1,0,+1/2)
(3,2,0,+1/2)
(3,1,‐1, ‐1/2)
50s
Q6
In the ground state of a cobalt atom there are _____ unpaired electrons and the atom is _____.
0, diamagnetic
5, paramagnetic
2, diamagnetic
3, paramagnetic
50s
Q7
Determine the electronic configuration of Cl with 17 electrons using spdf notation.
1s²2s²2p³3s²3p⁵
1s²2s²2p⁶2s²3p⁵
1s²2s²3p⁶3s²3p⁵
1s²2s²2p⁶3s²3p⁵
50s
Q8
Determine the orbital notation of Chlorine
50s
Q9
Which of the following statements about Aufbau Principle is TRUE?
It states that single electrons with the same spin must occupy each equal-energy orbital before additional electrons with opposite spin can occupy the same orbitals.
It states that each electron occupies the lowest energy orbital available.
It states that each electron occupies the highest energy orbital available.
It states that two electrons with opposite spins must occupy each equal-energy orbital before additional electrons with similar spin can occupy the same orbitals.
50s
Q10
Which of the following is a valid orbital diagram?
50s
Q11
What is the CORRECT orbital diagram of ₅B?
50s
Q12
This is a Lewis Dot structure of:
BeCl₂
Be₂Cl₃
Be₂Cl
BeCl
50s
Q13
In drawing a Lewis structure, the central atom is the
atom with the greatest mass.
atom with the highest atomic number.
atom with the fewest electrons.
least electronegative atom.
50s
Q14
According to the Octet Rule, atoms of elements react with each other to attain ____electrons in their outermost energy level or shell.
6
2
4
8
50s
Q15
The valence electrons of representative elements are
Located closest to the nucleus.
Located in d orbitals.
Located in the outermost occupied major energy level.
In s orbitals only.
50s