Molecule Quiz: questions and answers

1. What is a molecule?

A group of two or more atoms

The smallest constituent unit of ordinary matter

A reaction between two different atoms

2. When was the term "molecule" first used?

1794

1791

1784

3. What is the molecular formula for Acetylene?

C3H2

C1H6

C2H2

4. How many Hydrogen atoms are bonded to form a Sodium Hydroxide molecule?

9

8

6

5. How many Oxygen atoms form a Carbohydrates molecule?

1

2

0

6. What does microwave spectroscopy measure?

The response of molecules interacting with probing signals

Changes in the rotation of molecules

The length of the bond

7. What is the smallest molecule?

Diatomic hydrogen

Diatomic carbon

Diatomic oxygen

8. What is the bond length of Diatomic hydrogen?

0.74 Å

0.64 Å

0.70 Å

9. What is homonuclear molecule consist of?

The atoms of one chemical element

The atoms of various chemical elements

The atoms of unidentified origin

10. Which type of molecule bonding does NOT exist?

Covalent

Ionic

Sticky

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