Home > 2: The Chemical Context of Life > Activities Quiz
 
 
Chapter 2: The Chemical Context of Life
 
Activities Quiz
 

Activities Quiz


1 .       What is the atomic number of an atom that has 6 protons, 6 neutrons, and 6 electrons? (Activity: Structure of the Atomic Nucleus) 

 18
 12
 0
 6
 -1
2 .       Which of these refers to atoms with the same atomic number but different atomic masses? (Activity: Structure of the Atomic Nucleus) 

 These atoms are different elements.
 These atoms have different numbers of electrons.
 These atoms are isomers.
 These atoms are isotopes.
 These atoms have different numbers of protons.
3 .       Fluorine's atomic number is 9 and its atomic mass is 19. How many neutrons does fluorine have? (Activity: Structure of the Atomic Nucleus) 

 81
 9
 19
 28
 10
4 .       An uncharged atom of boron has an atomic number of 5 and an atomic mass of 11. How many protons does boron have? (Activity: Structure of the Atomic Nucleus) 

 0
 5
 6
 11
 16
5 .       The innermost electron shell of an atom can hold up to _____ electrons. (Activity: Electron Arrangement) 

 2
 18
 32
 8
 1
6 .       Which of these relationships is true of an uncharged atom? (Activity: Electron Arrangement) 

 The atomic mass is equal to the number of electrons.
 The number of protons is equal to the number of electrons.
 The number of neutrons is equal to the number of protons.
 The atomic mass is equal to the atomic number.
 The number of electrons is equal to the number of neutrons.
7 .       What determines the types of chemical reactions that an atom participates in? (Activity: Electron Arrangement) 

 its atomic mass
 the number of electrons in the innermost electron shell
 the number of electrons in the outermost electron shell
 the number of protons it contains
 its atomic number
8 .       What type of bond is joining the two hydrogen atoms? (Activity: Covalent Bonds)

question #13 

 covalent
 hydrogen
 ionic
 hydrophobic
 hydrophilic
9 .       A(n) _____ refers to two or more atoms held together by covalent bonds. (Activity: Covalent Bonds) 

 ion
 isotope
 community
 shell
 molecule
10 .       This atom can form up to _____ single covalent bond(s). (Activity: Covalent Bonds)

question #15 

 0
 1
 2
 3
 4
11 .       A(n) _____ bond joins these two oxygen atoms. (Activity: Covalent Bonds)

question #16 

 single covalent
 ionic
 quadruple covalent
 hydrogen
 double covalent
12 .       Which of these figures correctly illustrates the nature of the bonding of H2O? (Activity: Nonpolar and Polar Molecules) 

 answer #1
 answer #2
 answer #3
 answer #4
 answer #5
13 .       What type of bond joins the carbon atom to each of the hydrogen atoms? (Activity: Nonpolar and Polar Molecules)

question #18 

 hydrogen
 single (nonpolar) covalent
 ionic
 polar covalent
 double (nonpolar) covalent
14 .       Atoms with the same number of protons but with different electrical charges _____. (Activity: Ionic Bonds) 

 have different atomic masses
 have different numbers of neutrons
 are different ions
 have different atomic numbers
 are different isotopes
15 .       In salt, what is the nature of the bond between sodium and chlorine? (Activity: Ionic Bonds) 

 polar covalent
 nonpolar covalent
 hydrogen
 hydrophobic
 ionic
16 .       Click on the diagram to start the animation. What is the result of the animated process? (Activity: Ionic Bonds)

 

 a positively charged sodium ion and a negatively charged chlorine ion
 a positively charged sodium ion and a positively charged chlorine ion
 covalent bond formation
 a negatively charged sodium ion and a positively charged chlorine ion
 a negatively charged sodium ion and a negatively charged chlorine ion
17 .       An ionic bond involves _____. (Activity: Ionic Bonds) 

 the sharing of a single pair of electrons
 an attraction between ions of opposite charge
 no atoms other than sodium and chlorine
 the unequal sharing of an electron pair
 water avoidance
18 .       The brackets are indicating a(n) _____ bond. (Activity: Hydrogen Bonds)

answer #X 

 ionic
 polar covalent
 single (nonpolar) covalent
 hydrophobic
 hydrogen
19 .       What name is given to the bond between water molecules? (Activity: Hydrogen Bonds) 

 hydrogen
 hydrophobic
 ionic
 polar covalent
 single (nonpolar) covalent





©;2005 Pearson Education, Inc., publishing as Benjamin Cummings.