Atomic Structure Flashcards by Shubhamita Mukherjee

Q

Isotope

A

Same atomic no. but different mass no.

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Q

Isobars

A

Same mass no. but different atomic no.

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Q

Isotones

A

Same no. of neutrons

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Q

Isodiphers

A

Difference of neutrons and protons are same

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Q

Isoelectronic

A

Same no. of electrons

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Q

Isosteres

A

Same no. of atoms and electron

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Q

mvr

A

nh / 2pi

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Q

ΔE

A

hν (nu)

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Q

R (radius)

A

0.529 * n^2 / z Å

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Q

E_n (in KJ mol^-1)

A

-1312 * z^2 / n^2

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Q

E_n (in eV)

A

-13.6 z^2 / n^2

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Q

E_n (in J atom^-1)

A

-2.18 * z^2 / n^2

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Q

ṽ (nu bar) = 1/λ

A

RH * z^2 [1/n1² - 1/n2²]

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Q

λ

A

h/mv

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Q

Δx*Δp >=

A

h/4pi

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Q

Δx*Δv >=

A

h / 4pim

Q

l (azimuthal quantum no.)

A

0 to (n-1)

Q

Maximum electrons in a sub shell

A

(4l+2)

Q

Angular momentum of electron in a sub shell

A

√(l(l+1)) * (h/2π)

Q

Angular nodes

A

l

Q

Radial nodes

A

n-l-1

Q

n(m_l)

A

(2l+1)

Q

m_l

A

-l to +l

Q

Total spin multiplicity

A

2S + 1

Q

Which will be the first element to filled in the g sub shell?

A

121st element

Q

Why half and full filled orbital have most stability

A

More symmetrical arrangement
Greater exchange energy force

Q

Paramagnetic

A

More unpaired electrons
Attracted by magnetic field

Q

Diamagnetic

A

More paired electrons
Repelled by magnetic field

Q

µ_s

A

√n(n+2)

Q

Lanthanide and actinide configuration

A

ns^2 (n-1)d^1 (n-2)f^1-14

Q

Dual nature of light

A

Albert Einstein

Q

Dual nature of electron

A

De Broglie

Q

Verification of wave nature

A

Davison and Germer