Canonical disputed discoveries and priority resolutions (101–118)

Question 1

Element 101 (Mendelevium) — which team(s) were involved in the discovery claims, and which team is credited as the canonical discoverer?

Accepted Answer

Berkeley (Lawrence Radiation Lab)

Question 2

Element 102 (Nobelium) — which teams were involved and which team was finally credited with discovery?

Accepted Answer

Joint Institute for Nuclear Research (Dubna)

Question 3

Element 103 (Lawrencium) — which team(s) made claims and which team is credited as discoverer?

Accepted Answer

Berkeley (Lawrence Radiation Lab)

Question 4

Element 104 (Rutherfordium) — which teams contested the discovery and which team received the canonical credit?

Accepted Answer

Joint credit: Dubna and Berkeley

Question 5

Element 105 (Dubnium) — which teams were involved in the dispute and which team(s) are credited ultimately?

Accepted Answer

Joint credit: Dubna and Berkeley

Question 6

Element 106 (Seaborgium) — which teams made discovery claims and which was credited?

Accepted Answer

Berkeley (Lawrence Radiation Lab)

Question 7

Element 112 (Copernicium) — which teams contested and which team was credited by the Joint Working Party?

Accepted Answer

GSI Helmholtz Centre (Darmstadt)

Question 8

Element 113 (Nihonium) — which team(s) were involved and which team received discovery credit?

Accepted Answer

RIKEN (Japan)

Question 9

Element 115 (Moscovium) — which teams made claims and which team is credited as discoverer?

Accepted Answer

Joint Institute for Nuclear Research (Dubna) & LLNL

Question 10

Element 118 (Oganesson) — which teams were involved in contested claims and which team was credited in the canonical resolution?

Accepted Answer

Joint Institute for Nuclear Research (Dubna) & LLNL

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