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Q 1/29
Score 0
What is the electron configuration of silicon (Si)?
30
1s2 2s2 2p4 3s2 3d1
1s2 2s2 2p5 3s2
1s2 2s2 2p6 3s1 3p1
1s2 2s2 2p6 3s2 3p2
1s2 2s2 2p8 3s1
Q 2/29
Score 0
How many electrons can each orbital hold?
30
4
2
1
3
29 questions
Q.
What is the electron configuration of silicon (Si)?
1
30 sec
Q.
How many electrons can each orbital hold?
2
30 sec
Q.
What is the electron configuration of nitrogen (N)?
3
30 sec
Q.
What is the electron configuration of calcium (Ca)?
4
30 sec
Q.
How many electrons can occupy the 3p sublevel?
5
30 sec
Q.
How many total orbitals are there in the d sublevel?
6
30 sec
Q.
What is the electron configuration of chlorine (Cl)?
7
30 sec
Q.
What is the electron configuration of potassium (K)?
8
30 sec
Q.
How many electrons can occupy the third energy level (n = 3) in an atom?
9
30 sec
Q.
How many orbitals are present in the p sublevel?
10
30 sec
Q.
How many quantum numbers are needed to describe an electron in an atom?
11
30 sec
Q.
If an electron moves to a lower energy level, releasing a photon with a frequency of 6 x 10^14 Hz, how much energy does the photon carry? Use Planck's constant, h = 6.626 x 10^-34 Js.
12
30 sec
Q.
What is the energy of a photon with a wavelength of 500 nm? Use Planck's constant, h = 6.626 x 10^-34 Js, and the speed of light, c = 3.00 x 10^8 m/s.
13
30 sec
Q.
In orbital notation, how are electrons represented?
14
30 sec
Q.
How are electrons distributed within an atom's orbitals according to the Aufbau principle?
15
30 sec
Q.
What is the shape of the p orbital in orbital notation?
16
30 sec
Q.
How many total orbitals are present in the third energy level of an atom?
17
30 sec
Q.
What is the maximum number of electrons that can occupy the 4p sublevel?
18
30 sec
Q.
Which orbital is designated by the quantum numbers n=4 and l=2?
19
30 sec
Q.
Which type of electromagnetic waves has the shortest wavelength?
20
30 sec
Q.
Which color of visible light has the longest wavelength?
21
30 sec
Q.
Which type of electromagnetic waves has the highest energy?
22
30 sec
Q.
Which type of electromagnetic radiation has wavelengths longer than visible light but shorter than microwaves?
23
30 sec
Q.
What is the electron configuration of a sodium ion (Na^+)?
24
30 sec
Q.
Which electron configuration represents a cation with a 2+ charge?
25
30 sec
Q.
What is the electron configuration of a chloride ion (Cl-)?
26
30 sec
Q.
What is the electron configuration of a magnesium ion (Mg2+)?
27
30 sec
Q.
What is the electron configuration of a fluoride ion (F-)?
28
30 sec
Q.
What is the electron configuration of a bromide ion (Br-)?
