Ytterbium (Yb) — oxidation states, applications and isotopes

Question 1

What is the atomic number of ytterbium?

Accepted Answer

70

Question 2

What is the most common oxidation state of ytterbium in compounds?

Accepted Answer

+3

Question 3

Which lower oxidation state of ytterbium is also frequently observed (notably in reduced compounds)?

Accepted Answer

+2

Question 4

What is the ground-state electron configuration of neutral ytterbium (abbreviated)?

Accepted Answer

[Xe] 4f14 6s2

Question 5

In the Yb2+ ion, what is the f-electron occupancy (how many 4f electrons)?

Accepted Answer

14

Question 6

Which ytterbium isotope is commonly used in optical atomic clocks (often cited in literature)?

Accepted Answer

171Yb

Question 7

Ytterbium is commonly used as a dopant in what type of high-power lasers?

Accepted Answer

fiber lasers

Question 8

How many stable isotopes does natural ytterbium have?

Accepted Answer

7

Question 9

Name one of the two most abundant stable isotopes of ytterbium (one-word isotope mass number acceptable).

Accepted Answer

174Yb

Question 10

Besides atomic clocks and lasers, ytterbium metal is often used as a reducing agent in organic synthesis or materials preparation; what single-word chemical role does it serve in these uses?

Accepted Answer

reducing

Ytterbium (Yb) — oxidation states, applications and isotopes

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