Name: _______________________________________________ Date: ______________ Period: ________
REVIEW – UNIT B TEST
Directions: Define each of the following words:
Period______________________________________________________________________________________
Isotope_____________________________________________________________________________________
Neutron____________________________________________________________________________________
Atomic number______________________________________________________________________________
Atomic mass_________________________________________________________________________________
Mendeleev__________________________________________________________________________________
Ionic compound - _____________________________________________________________________________
Proton-______________________________________________________________________________________
Electron-____________________________________________________________________________________
Ion-________________________________________________________________________________________
Atom-______________________________________________________________________________________
Element-____________________________________________________________________________________
Cation-______________________________________________________________________________________
Anion-_______________________________________________________________________________________
Directions: This review is taken directly from your textbook review on pages 77-79. You will need to refer to
those pages in order to complete this review.
1. Complete the Chart for an electrically neutral atom:
Element
Protons Electrons
Carbon
6
Aluminum
13
Lead
82
Chlorine
17
2. Decide whether each of these atoms is electrically neutral or has a +/- charge.
Element Protons Electrons
Sulfur
16
18
Iron
26
24
Silver
47
47
Iodine
53
54
Charge
3 & 5. Complete the table for each electrically neural atoms:
Element
Symbol
Number
Of Protons
6
6
Ca
U
Number
Of Neutrons
6
7
21
117
146
Number
Of Electrons
6
6
Mass
Number
78
4. Read Question 4 on page 77. Is the student correct? Explain
6. Complete the Isotopes of Magnesium chart:
Isotope
Symbol
Mg- 24
Mg-25
Mg- 26
7. Read Question 7 on page 77.
Mass
Number
24
25
26
Number
of Protons
Number
Of Neutrons
Mass of Proton vs Mass of Electron:
8. Read Question 8 on age 77. Is the given information enough to claim the discovery of a new element?
Explain
9. Features of Periodic Tables. Read Question 9 on page 78.
a. Row =
b. Column =
10. Read Question 10 on page 78. Alkali Metal Family:
Name: _____________________________________ Symbol: _____
Name: _____________________________________ Symbol: _____
11. Read Question 11 on page 78. Noble Gases:
Location: __________________________________________________________________
Physical Property: _____________________________________________________________________
Chemical Property: ___________________________________________________________________
12. Given a periodic table and the formulas BeCl2 and Al2O3 predict the formula for a compound
containing:
a. Boron and Sulfur
______________
b. Magnesium and Fluorine
______________
13. Use the Information to estimate the melting point of Selenium:
a. Melting point of Sulfur is 115 degrees Celcius
b. Melting point of Tellurium is 450 degrees Celcius
Melting point of Selenium = __________________________
14. Would you expect the boiling point of Chlorine to be higher or lower than that of Iodine?
15. Are atoms of metallic or non-metallic elements more likely to lose one or more electrons? Explain.
16. Cation or Anion
Element
Sodium
Calcium
Fluorine
Aluminum
Oxygen
Lithium
Cation or Anion
17. Read Question #17 on page 78. What does this indicate about their chemical reactivity?
18 & 19. Classify as an electrically neutral atom, a cation, or an anion.
Neutral, Cation or Anion
Gain or Lose
O2Li
Cl
Ag+
Hg220. Write the symbol and show the charge for the following atoms of ions;
Description
Symbol with charge
Hydrogen with 1 proton and 1 electron
Sodium with 11 protons and 10 electrons
Chlorine with 17 protons and 18 electrons
Aluminum with 13 protons and 10 electrons
21. Draw a model, write the formula, and name the ionic compounds that can be formed from the
following:
Model
K1+ and I1-
Ca2+ and S2-
Fe3+ and Br1-
Ba2+ and OH1-
NH41+ and
PO43-
Al3+ and O2-
Formula
Name