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PS1-1 Lesson 2 FA 3

Last updated over 4 years ago

5 questions

1

1

1

1

1

Question 1

1.

Sucrose and Maltose are both sugar molecues and have 12 carbon atoms, 22 hydrogen atoms, and 11 oxygen atoms. Which of the following is the most likely explanation for why the two forms of sugar taste different?

The two forms have a different number of chemical bonds.

The two forms ave a different ratio of atoms.

The two forms have a different arrangement of atoms.

The two forms have different types of atoms. 

Question 2

2.

What is the difference between a molecule and an extended structure?

A molecule has an end and the extended structure has a repeating subunit.

A molecule has a repeating subunit and the extended structure has an end.

An extended structure has only one type of atom and a molecule has more than one.

An extended structure has more than one type of atom and a molecule has only one. 

Question 3

3.

Which of the molecules in the image is an extended struture?

A

B

Question 4

4.

What is the chemical formula for the subunit in the extended structure?

CH

CH2

CH3

CH4

Question 5

5.

Draw a ball and stick model of CH2O. Color code or label the atoms.