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Think Chemistry Trivia Quiz

A quiz to test your general knowledge of the subject of chemistry.

A multiple-choice quiz by doublemm. Estimated time: 4 mins.

Author
doublemm

Time
4 mins

Type
Multiple Choice

Quiz #
300,932

Updated
Dec 03 21

# Qns
10

Difficulty
Tough

Avg Score
6 / 10

Plays
3742

Awards
Top 20% Quiz

Last 3 plays: Guest 24 (3/10), Guest 47 (9/10), Guest 51 (6/10).

One at a Time - Single Page - Timed Game

Question 1 of 10

1. The word "Plumber" is derived from the name of which element? Hint

Iron

Nickel

Potassium

Lead

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Question 2 of 10

2. What are defined as "Molecules with the same molecular and structural formulae but different spatial arrangements of atoms or groups"? Hint

Structural isomers

Isotopes

Allotropes

Stereoisomers

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Question 3 of 10

3. Which chemical element is named after the creator of dynamite? Hint

Curium

Mendelevium

Einsteinium

Nobelium

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Question 4 of 10

4. What is the chemical formula for "Milk of Magnesia"? Hint

MgOH

Mg(OH)2

MgO

MgH2

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Question 5 of 10

5. What does pH stand for? Hint

Potential hydrogen

Plus hydrogen

Potential hydrides

Proton having

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Question 6 of 10

6. What is being described? Three carbons singly bonded in a straight chain. The central carbon is also bonded to an OH group. Hint

Propan-1ol

Propanone

Propanoic acid

Propan-2-ol

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Question 7 of 10

7. What is defined as "A proton acceptor"? Hint

An acid

A base

A proton

An electron

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Question 8 of 10

8. Which element is the most reactive? Hint

Sodium

Fluorine

Potassium

Chlorine

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Question 9 of 10

9. What best describes the bonding within diamond? Hint

A giant covalent lattice of carbon atoms

A simple covalent molecule containing carbon atoms

A giant ionic lattice of carbon atoms

A giant covalent lattice of silicon atoms

NEXT>

Question 10 of 10

10. What molecular shape best describes carbon dioxide? Hint

Tetrahedral

Bent

Trigonal planar

Linear

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Apr 10 2024 : Guest 24: 3/10
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Quiz Answer Key and Fun Facts

1. The word "Plumber" is derived from the name of which element?

Answer: Lead

The chemical symbol for lead is Pb. This is derived from the Latin "plumbum".
Lead is a dull grey metal with atomic number 82.

2. What are defined as "Molecules with the same molecular and structural formulae but different spatial arrangements of atoms or groups"?

Answer: Stereoisomers

Structural isomers are molecules with the same molecular formulae but different structural formulae.
Allotropes are atoms of the same element bonded together in a different manner.
Isotopes are atoms of the same element which contain different numbers of neutrons.

3. Which chemical element is named after the creator of dynamite?

Answer: Nobelium

Alfred Nobel used his huge fortune to start the "Nobel Prize" in his last will.
Curium is named after Marie and Pierre Curie.
Mendelevium is named after Dmitri Mendelev, who is reponsible for the periodic table.
Einsteinium was named after Albert Einstein, the theoretical physicist.

4. What is the chemical formula for "Milk of Magnesia"?

Answer: Mg(OH)2

"Milk of Magnesia" is slightly alkaline, with a pH of 9, and so is used to neutralise excess stomach acid.

5. What does pH stand for?

Answer: Potential hydrogen

The pH scale measures acidity, with pH 1 being the most acidic and pH 14 the most alkaline.
Potential hydrogen refers to the ability of a solution to "donate" a hydrogen ion during a reaction.

6. What is being described? Three carbons singly bonded in a straight chain. The central carbon is also bonded to an OH group.

Answer: Propan-2-ol

Propan-2-ol is known as a secondary alcohol. It may be oxidised into propanone.
Propan-1-ol is a primary alcohol and is oxidised into propanoic acid.

7. What is defined as "A proton acceptor"?

Answer: A base

Bases use their "lone pair" of electrons to bond with a the hydrogen ion (proton) from an acid during a neutralisation reaction.

8. Which element is the most reactive?

Answer: Fluorine

This is due to fluorine being very electronegative, meaning it can attract a bonding pair of electrons towards itself more strongly than any other element.
Fluorine is often described as the "T-Rex of the periodic table".

9. What best describes the bonding within diamond?

Answer: A giant covalent lattice of carbon atoms

Carbon is in group four and so has 4 electrons in its outermost shell. In diamond all four electrons form covalent bonds with other carbon atoms to form a giant covalent lattice.

10. What molecular shape best describes carbon dioxide?

Answer: Linear

Carbon dioxide is a central carbon atom double bonded to two oxygen atoms. There is equal repulsion between the two bonding pairs of electrons and so the shape is linear.

Source: Author doublemm

This quiz was reviewed by FunTrivia editor crisw before going online.
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