Section Quiz

Name

Class

Date

Assessment

Section Quiz Section: Elements in Living Things Match the correct description with the correct term. Write the letter in the space provided.

______ 1. a covalently bonded compound that contains carbon CLTs1.1.1 CLTs1.1.1

a. triple bond b. organic compound c. double bond

______ 2. one of four separate covalent bonds between a carbon atom and other atoms

d. carbon e. single bond

______ 3. a grouping of two covalent bonds between carbon atoms CLTs1.1.1 ______ 4. element that has a central role in the chemistry of living organisms CLTs1.1.1 ______ 5. a grouping of three bonds between carbon atoms CLTs1.1.1 Write the letter of the correct answer in the space provided.

______ 6. How many atoms can a single carbon atom bond with? a. one c. three b. two d. four

CLTs1.1.1

______ 7. Which of the following is NOT one of the most common elements in the human body? CLTs1.2.1 a. oxygen b. nitrogen c. helium d. phosphorus ______ 8. A model that shows how carbon atoms are connected is called a a. carbon diagram. CLTs1.1.1 b. carbon backbone. c. carbon compound. d. carbon bond. ______ 9. Which of the following is NOT a common carbon backbone structure? CLTs1.1.1 a. a straight chain b. a branched chain c. a square d. a ring Copyright © by Holt, Rinehart and Winston. All rights reserved.

Holt California Physical Science

38

The Chemistry of Living Things