What electron could have quantum numbers n = 2, l = 1, ml = 0, ms = +?

Chemistry

1 answer:

MrMuchimi3 years ago

7 0

Answer is: electron in 2pz orbital.

The principal quantum number is one of four quantum numbers which are assigned to each electron in an atom to describe that electron's state, n=1,2,3... n=2 - the second energy level.
The azimuthal quantum number is a quantum number for an atomic orbital that determines its orbital angular momentum and describes the shape of the orbital. l = 0,1...n-1, when l = 1, that is p subshell.

The magnetic quantum number, ml, show orbital in which the electron is located, ml = -l...+l, ml = 0 is pz orbital.

The spin quantum number, ms, is the spin of the electron; ms = +1/2 or -1/2.

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How many moles of gas occupy 98 l at a pressure of 2.8 atmosphere and a temperature of 292

lara [203]

Answer:

n = 11.45 mol

Explanation:

Given data:

Number of moles = ?

Volume of gas = 98 L

Pressure = 2.8 atm

temperature = 292 K

Solution:

The given problem will be solve by using general gas equation,

PV = nRT

P= Pressure

V = volume

n = number of moles

R = general gas constant = 0.0821 atm.L/ mol.K

T = temperature in kelvin

2.8 atm × 98 L = n × 0.0821 atm.L/ mol.K × 292 K

274.4 atm.L = n × 23.97atm.L/ mol

n = 274.4 atm.L /23.97atm.L/ mol

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ivolga24 [154]

Answer: The correct answer is Option d.

Explanation:

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