Exam 2 review

which statement is correct regarding the Pauli Exclusion Principle (choose 2)

• any two electrons can have the same four quantum numbers

• each orbital can have a maximum of two electrons with opposing spin

• hydrogen is the first element where the Pauli exclusion principle is applied

• electrons in a subshell are not paired until each orbitial of the subshell has one electron

• all electrons in an atom must have different combinations of quantum numbers

which of the following electron transmits emit the longest wavelength radiation?

• n=5 t0 n=6

• n=5 to n=7

• n= 7 to n=6

• n=6 to n=7

Tags

NGSS.HS-PS4-1

which set of quantum numbers are not allowed?

• n=6, l=3, m_l=2, m_s=-1/2

• n=4, l=3, m_l=-2, m_s=+1/2

• n=2, l=0, m_l=0, m_s=+1/2

• n=3, l=2, m_l=2, m_s=-1/2

how many electrons are possible for the n=7 shell?

• 14

• 49

• 83

• 98

how many orbitals are possible for n=5 shell?

• 32

• 50

• 5

• 25

Is selenium (Se, Z=34) paramagnetic or diamagnetic?

• paramagnetic

• diamagnetic

Tags

NGSS.HS-PS1-1

which electron has the outer orbital of 4p1?

• Ga

• Al

• Ge

• In

Tags

NGSS.HS-PS1-1

the cation that is +2 charged and that is isoelectronic with S^2-

• Si²⁺

• Ar

• S²⁺

• Ca²⁺

Tags

NGSS.HS-PS1-1

this elements electron configuration is [Xe]6s²4f¹5d¹

• Y

• La

• Ce

• Ac

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which two orbitals are not possible?

• 5g

• 0s

• 7s

• 2f

• 3d