1. Common Assessment #4 Review
Periodic Table and Characteristics of Elements
Chemical Bonding

2. 1. Which of the following shows that carbon is different from other elements?
Its electrical charge
Its use in photosynthesis
Its number of protons
Its ability to combine with oxygen

3. 2. Which of these belongs in the outermost shell (energy level) of an atom?
Photons
Neutrons
Protons
Electrons

4. 3. A proton has which of the following charges?
Negative
Neutral
Positive
Magnetic

5. 4. Which of the minerals below is a sulfate?
Gypsum (CaSO4)
Calcite (CaCO3)
Magnetite (Fe3O4)
Radical Name
Symbol
Carbonate
CO3
Silicate
SiO3
Sulfate
SO4
Oxide O

6. 5. Which of these best shows that calcium is different from all other elements?
It has a negative charge
Its number of protons
Its presence in water
It has a positive charge

7. 6. Temperatures in January50 8
If the temperature continues to increase, what would the
approximate temperature be on 8 January?
A B C D. 50 or over

8. 7. Which of the following molecules does NOT contain three atoms?

9. 8. In the chemical formula for Carbon Dioxide, CO2, what does the subscript 2 represent? ?
The number of carbon atoms in carbon dioxide
The number of oxygen atoms in carbon dioxide
The number of carbon dioxide molecules that will bond together
The number of nitrogen atoms in carbon dioxide

10. 9. In the chemical formula for carbon dioxide, CO2, what does the subscript 2 represent?
The number of carbon and oxygen atoms in each molecule of carbon dioxide
The number of carbon atoms in each molecule of carbon dioxide
The number of oxygen atoms in each molecule of carbon dioxide

11. 10. The three categories of elements are
Akali family, akaline metals, noble gases
Metal, Nonmetal, Alloys
Metals, Nonmetals, Metalloids
Colloids, Mixtures and Suspensions

12. 11. Which statement about neutrons is true?
Neutrons circle the atom in clouds
Neutrons are positive subatomic particles
Neutrons have a mass of 1 amu
Neutrons have a negative charge

13. 12. Magnesium is in group 2, row 3
12. Magnesium is in group 2, row 3. How many valence electrons does magnesium have? 1 2 3 4

14. 13. What is the mass number of a carbon isotope that has 6 protons and 7 neutrons?2 -2 13 14

15. 14. An atom with an atomic number of 16 and a mass of 32 would have how many protons?48 32 16
There is no way to tell with the information provided

16. 15. The current model of an atom suggests that
electrons travel in definite paths
the exact path of an electron can be predicted
proton clouds surround the nucleus
electron clouds surround the nucleus

17. 16. Which pair of atoms can form an ionic bond?
Fluorine (F) and Chlorine (Cl)
Sodium (Na) and Neon (Ne)
Sodium (Na) and Potassium (K)
Potassium (K) and Flourine (F)

18. 17. Which group has a complete set of electrons in their outer energy level (valence electrons)?
Noble gases
Halogens
Alkali metals
Alkaline earth metals

19. 18. Isotopes differ from each other because they have a different number of
Electrons
Neutrons
Protons
Atomic number

20. 19. If an atom has a positive or negative charge it is called a(n)
isotope
Neutron
ion
proton

21. 20. The average mass of all of the isotopes in an element (Carbon 12
20. The average mass of all of the isotopes in an element (Carbon ) is the
mass number
atomic number
predicted reaction number
atomic mass

22. 21. Which of the following is a compound?
Hydrogen (H)
Sodium (Na)
Oxygen (O)
Carbon dioxide (CO2)

23. 22. The diagram below shows a block from the periodic table
22. The diagram below shows a block from the periodic table. The number 11 represents the
Atomic mass of the element Sodium
Atomic number of the element Sodium
Number of neutrons in the element Sodium
Number of valence electrons in the element Sodium
23.0 Na 11

24. 23. Characteristics of Samples of Matter
Luster
Malleability/Ductility
Electrical Conductivity 1
None No
Insulator 2
High
Semi-conductor 3
Yes
Conductor 4
Low
According to the data in the table, which sample of
matter is most likely a metal?
A B C D. 4

25. 24. What is the mass number of this atom?1 2 3 6 A C B + D + +

26. 25. What is the atoms atomic number?1 2 3 6 A C B + D + +

27. 26. Which of these elements has the lowest average atomic mass?5 B
Boron
10.811 6 C
Carbon
12.011 7 N
Nitrogen 13 Al
Aluminum 14 Si
Silicon 15 P
Phosphorous
A. N B. B C. Si D. P

28. 27. Name two nonmetals in the table below?
Anything in yellow
is a nonmetal

29. 28. Name three metals in the table below?
Anything in blue
is a metal

30. 29. Which of the elements listed below are metalloids
29. Which of the elements listed below are metalloids? Multiple Correct Answers
Anything in red
is a metalloid
Boron (B) C. Silicon (Si)
Lithium (Li) D. Flourine (F)
E. Arsenic (As)

31. 30. Which of the following lists the elements in order, from those having the least protons to those having the most protons in their atoms.
A. Be, Li, Mg B. B, H, He C. N, C mB D. He, C, F

32. 31. Which elements listed below are Noble Gases?
A. He, Ne, Ar, Kr
B. B, Al, Ga, In
C. N, P, As, Se
D. Li, Be, B, C

33. 32. Name two elements that have the same number of valence electrons.
All of the elements in the same family/group – columns going down, have the same number of valence electrons.

34. 33. Name two elements that have the same number of electron levels.
All of the elements in the same period, going across horizontally, have the same number of electron levels.

35. 34. An atom has no overall charge if it contains equal number of
Protons and neutrons
Neutrons and electrons
Electrons and protons
None of the above

36. 35. Using the graph below at what temperature does a liquid become a gas (vaporization)?oC
120
110
100 90 20
-10
-20 6 4 5 2 3 1
10 20… … …
Heat (Kcal)
0 Kelvin degrees Celsius degrees Celsius

37. 36. The location of Metals, Nonmetals and Metalloids can be found by looking at
The columns/groups C. None of the elements are metalloids, metals or nonmetals
The rows/periods D. the zig zag line/staircase

38. 37. Which of the following element(s) have more protons than Flourine (F). Multiple Correct Answers.
Carbon (C)
Lithium (Li)
Neon (Ne)
Helium (He)
Argon (Ar)

39. 38. An element that conducts thermal energy well, is shiny and malleable is a
Nonmetal
Metalloid
Biotic organism
Metal

40. 39. Nonmetals are Good conductors of thermal energy Shiny
Not malleable
Ductile

41. 40. What type of bond is illustrated below? Multiple Correct Answers
Transfer of
Electron
Positive ion
Negative ion
Covalent
Ionic
Bond between a metal and nonmetal
Bond between two metals
Bond between two nonmetals

42. 41. Which of the elements has 8 protons?
Carbon B. Fluorine C. Neon D. Oxygen

43. 42. What type of chemical bond is illustrated below
42. What type of chemical bond is illustrated below? MULTIPLE RESPONSE a. Covalent b. Ionic C. Bond between two nonmetals d. Bond between metals and nonmetals
Sharing Electrons

44. 44. Which of the following is an element?Na
CO2

45. 45. What is the density of the cube below
45. What is the density of the cube below? Density = mass volume Mass = 12g
0.5g/cm3
1.0g/cm3
1.5g/cm3
2.0g/cm3
4cm
2cm
3cm