uranium

Chemistry Science 17 of 17 appearances

Practice Chemistry

"uranium" appearances by year

All Chemistry clues by year

Clue	Answer As Given	Value	Round	Category	Air Date	Show
Kazakhstan is the world leader in producing this explosion-producing element first found in pitchblende	uranium	$800	J	RADIOACTIVE ELEMENTS	2019-11-05	#8087
235 is an isotope of this element whose nucleus can be made to undergo fission	uranium	$800	J	ELEMENTARY	2018-04-17	#7742
The seventh planet from the sun	uranium	$400	DJ	THE ELEMENT NAMED FOR...	2017-12-05	#7647
In nature, it occurs in 3 isotopes: 234, 235 & 238	uranium	$800	DJ	ELEMENT-IUM	2017-02-22	#7473
Pre-reactor use, this-235 must be separated from this-238, which is more plentiful but doesn't fission easily	uranium	$200	J	THE ELEMENTS	2015-03-17	#7027
Martin Klaproth discovered this element in 1789 & named it for a discovery of 1781	uranium DD	$2,200	DJ	THE ELEMENTS	2014-02-13	#6774
Discovered in Colorado in the 1950s, coffinite is an ore that is more than 60% this radioactive metal	uranium	$1,000	J	METALS	2013-12-06	#6725
Coffinite, discovered in Colorado in 1955, is an ore that's 60% this valuable radioactive metal	uranium	$1,000	J	METALS	2004-01-23	#4465
Martin Klaproth named this radioactive element that he discovered in 1789 for a planet discovered in 1781	uranium	$800	J	CHEMICAL ELEMENTS	2003-04-29	#4307
2 of the 3 elements named for planets	Neptunium, Plutonium &/or Uranium	$400	DJ	ELEMENTAL NAMES	2000-12-06	#3743
Until 1940 this element had the highest known atomic number	Uranium DD	$1,600	DJ	THE ELEMENTS	1997-05-30	#2950
Highest atomic numbered element whose symbol is a single letter	uranium		FJ	THE ELEMENTS	1995-05-02	#2467
The 235 & 238 isotopes of this radioactive metal are separated in an enrichment plant	uranium	$200	DJ	METALS	1993-06-10	#2034
In 1896 future Nobel winner Antoine Henri Becquerel discovered this element was radioactive	uranium	$600	DJ	THE ELEMENTS	1992-09-07	#1836
The fissionable 235 isotope makes up less than 1% of this metal in nature	uranium	$100	J	METALS	1990-11-05	#1421
The elements labeled transuranic have atomic no.s higher than this element's. No. 92	uranium	$200	DJ	CHEMISTRY	1988-09-07	#918
Discovered in 1789 & given atomic number 92, it was named after the planet discovered in 1781	uranium	$200	J	THE ELEMENTS	1988-06-02	#879

Clue

Answer As Given

Value

Round

Category

Air Date

Show

Kazakhstan is the world leader in producing this explosion-producing element first found in pitchblende

uranium

$800

RADIOACTIVE ELEMENTS

2019-11-05

#8087

235 is an isotope of this element whose nucleus can be made to undergo fission

uranium

$800

ELEMENTARY

2018-04-17

#7742

The seventh planet from the sun

uranium

$400

THE ELEMENT NAMED FOR...

2017-12-05

#7647

In nature, it occurs in 3 isotopes: 234, 235 & 238

uranium

$800

ELEMENT-IUM

2017-02-22

#7473

Pre-reactor use, this-235 must be separated from this-238, which is more plentiful but doesn't fission easily

uranium

$200

THE ELEMENTS

2015-03-17

#7027

Martin Klaproth discovered this element in 1789 & named it for a discovery of 1781

uranium DD

$2,200

THE ELEMENTS

2014-02-13

#6774

Discovered in Colorado in the 1950s, coffinite is an ore that is more than 60% this radioactive metal

uranium

$1,000

METALS

2013-12-06

#6725

Coffinite, discovered in Colorado in 1955, is an ore that's 60% this valuable radioactive metal

uranium

$1,000

METALS

2004-01-23

#4465

Martin Klaproth named this radioactive element that he discovered in 1789 for a planet discovered in 1781

uranium

$800

CHEMICAL ELEMENTS

2003-04-29

#4307

2 of the 3 elements named for planets

Neptunium, Plutonium &/or Uranium

$400

ELEMENTAL NAMES

2000-12-06

#3743

Until 1940 this element had the highest known atomic number

Uranium DD

$1,600

THE ELEMENTS

1997-05-30

#2950

Highest atomic numbered element whose symbol is a single letter

uranium

THE ELEMENTS

1995-05-02

#2467

The 235 & 238 isotopes of this radioactive metal are separated in an enrichment plant

uranium

$200

METALS

1993-06-10

#2034

In 1896 future Nobel winner Antoine Henri Becquerel discovered this element was radioactive

uranium

$600

THE ELEMENTS

1992-09-07

#1836

The fissionable 235 isotope makes up less than 1% of this metal in nature

uranium

$100

METALS

1990-11-05

#1421

The elements labeled transuranic have atomic no.s higher than this element's. No. 92

uranium

$200

CHEMISTRY

1988-09-07

#918

Discovered in 1789 & given atomic number 92, it was named after the planet discovered in 1781

uranium

$200

THE ELEMENTS

1988-06-02

#879