## Answers

Guess? You have a

**How about all of the d-block metals?**

Scandium through zinc, yttrium through cadmium, lanthanum, hafnium through thallium, actinium, and rutherfordium through copernicium?

**How about post-transition metals?**

Gallium through krypton, indium through xenon, thallium through radon, nihonium through oganesson?

**How about lanthanides and actinides?**

Cerium through lutetium? Thorium through lawrencium?

What's your pick? You got a

I choose

#"Ta"# has electron configuration#[Xe] 4f^14 5d^3 6s^2# #"Ru"# has electron configuration#[Kr] 4d^7 5s^1# #"Cu"# has electron configuration#[Ar] 3d^10 4s^1#

There, three elements that have

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