150 Years Of The Periodic Table
The Periodic table is having its 150th birthday… And a way to celebrate it is this quiz of trivial questions. It is quite easy to do. Prepared?
Tell me your score
- 1.
Which is the most abundant element of the Universe
- A.
Hydrogen
- B.
Helium
- C.
Oxygen
- D.
Nitrogen
Correct Answer
A. HydrogenExplanation
Hydrogen...elementar dear Watson.That was easy.Rate this question:
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- 2.
Where was Helium first discovered?
- A.
In a vulcano
- B.
In the sun
- C.
In Nitrogen bottles
- D.
In frozen Carbon Dioxide
Correct Answer
B. In the sunExplanation
It was discovered observing the solar spectrum in 1868 by astronomer Norman Lockyer. It was found on earth on an eruption of a vulcano, but much later.Rate this question:
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- 3.
Which is the most abundant metal in the Earth Crust?
- A.
Oxygen
- B.
Silicon
- C.
Carbon
- D.
Aluminium
Correct Answer
D. AluminiumExplanation
Aluminium makes up about 8% of the Earth's crust, after Silicon (non-metal) and OxygenRate this question:
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- 4.
Which element has the atomic number of 118?
- A.
Cadmium
- B.
Oganesson
- C.
Ognesium
- D.
Radon
Correct Answer
B. OganessonExplanation
Oganesson ...allegedly a noble gasRate this question:
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- 5.
How many elements are liquid at a temperature of 273 ºK ?
- A.
1
- B.
8
- C.
2
- D.
5
Correct Answer
C. 2Explanation
Br and Hg are liquid at that temperature.Rate this question:
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- 6.
Chemical symbol Bh is :
- A.
Boron
- B.
Bherylium
- C.
Bohrium
- D.
Bismuth
Correct Answer
C. BohriumExplanation
It is Bohrium, a synthetic chemical element with atomic number 107. It is named after Danish physicist Niels Bohr.Rate this question:
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- 7.
The periodic table as we know it today has
- A.
124 Elements
- B.
118 Elements
- C.
104 Elements
- D.
110 Elements
Correct Answer
B. 118 ElementsExplanation
It has 118 Elements, latest one is Atomic Number 118 Oganesson….I have given you a clue in a previous question ;)Rate this question:
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- 8.
Argon name derives form the greek word ἀργόν, and that means
- A.
Native
- B.
Reactive
- C.
Lazy
- D.
Argonauts
Correct Answer
C. LazyExplanation
Lazy , as non active and a siestaRate this question:
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- 9.
Graphite and diamond are two Carbon ...
- A.
Allotropes
- B.
Isomers
- C.
Isoforms
- D.
Isotopes
Correct Answer
A. AllotropesExplanation
Allotropes… Ladies should know . As diamonds are ladies' best friend. (And try to propose to your girlfriend with a graphite ring, and convince her that it is exactly the same element…!)Rate this question:
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- 10.
Which was the the first metal to be casted into a shape in a mold?
- A.
Chromium
- B.
Copper
- C.
Iron
- D.
Bronze
Correct Answer
B. CopperExplanation
Copper can occur naturally, and it was the first metal to be melted from sulfide ores, around 5000 BC, and the first metal to be cast into a shape in a mold.Rate this question:
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- 11.
How many elements are in the same column of Alkali metals?
- A.
6
- B.
5
- C.
8
- D.
7
Correct Answer
D. 7Explanation
7 is wright. Hydrogen is above the 6 alkali metals, therefore the column has 7 elements. That was trickyRate this question:
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- 12.
How many elements contained the original Periodic Table of Mendeleiev?
- A.
89
- B.
78
- C.
60
- D.
102
Correct Answer
C. 60Explanation
Mendeleiev ordered the 60 elements in increasing order of molecular weight, on a a way that could arrange similar chemical properties elements, so called chemical families. His works reflects a great scientific intuition.Rate this question:
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