150 Years Of The Periodic Table

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Daniel
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1. The periodic table as we know it today has

Explanation

It has 118 Elements, latest one is Atomic Number 118 Oganesson….I have given you a clue in a previous question ;)

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About This Quiz
150 Years Of The Periodic Table - Quiz

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?
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2. Chemical symbol Bh is :

Explanation

It is Bohrium, a synthetic chemical element with atomic number 107. It is named after Danish physicist Niels Bohr.

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3. Which is the most abundant element of the Universe

Explanation

Hydrogen...elementar dear Watson.That was easy.

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4. Graphite and diamond are two Carbon ...

Explanation

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…!)

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5. Which element has the atomic number of 118?

Explanation

Oganesson ...allegedly a noble gas

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6. Where was Helium first  discovered?

Explanation

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.

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7. How many elements are in the same column of Alkali metals?

Explanation

7 is wright. Hydrogen is above the 6 alkali metals, therefore the column has 7 elements. That was tricky

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8. Argon name derives form the greek word ἀργόν, and that means

Explanation

Lazy , as non active and a siesta

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9. Which is the most abundant metal in the Earth Crust?

Explanation

Aluminium makes up about 8% of the Earth's crust, after Silicon (non-metal) and Oxygen

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10. How many elements are liquid at a temperature of 273 ºK ?

Explanation

Br and Hg are liquid at that temperature.

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11. Which was the the first metal to be casted into a shape in a mold?

Explanation

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.

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12. How many elements contained the original Periodic Table of Mendeleiev?

Explanation

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.

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The periodic table as we know it today has
Chemical symbol Bh is :
Which is the most abundant element of the Universe
Graphite and diamond are two Carbon ...
Which element has the atomic number of 118?
Where was Helium first  discovered?
How many elements are in the same column of Alkali metals?
Argon name derives form the greek word ἀργόν, and that...
Which is the most abundant metal in the Earth Crust?
How many elements are liquid at a temperature of 273 ºK ?
Which was the the first metal to be casted into a shape in a mold?
How many elements contained the original Periodic Table of Mendeleiev?
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