West Coast University Chemical Elements of the Periodic Table Questions

6 Pre-Lab Study Questions
| 21
Date
Name
Section
Team
Instructor
1. Describe the periodic table.
2. Where are the alkali metals and the halogens located on the periodic table?
3. On the following list of elements, circle the symbols of the transition elements and underline the symbols of the halogens:
Mg Cu Br
Ni Cl Fe
Ag
4. Complete the list of names of elements and symbols:
Name of
Element
Symbol
Name of Element
Symbol
Potassium
Na
Sulfur
P
Nitrogen
Fe
Magnesium
ci
Copper
Ag
Complete TABLE
C. The Atom
Protons
Name of Symbol of Atomic Mass
Element Element Number Number
Neutrons Electrons
Fe
30
27
13
19
20
Bromine
80
Au
197
D. Isotopes and Atomic Mass
Complete
TABLES & QUESTIONS
I.
Nuclear Symbol
Protons
Neutrons
Electrons
107
Ag
109
47Ag
2.
Nuclear Symbol
Isotopic Mass
Percent Abundance
107
47Ag
106.9
51.84%
109
147Ag
108.9
48.15%
(Show calculations here)
Questions and Problems
Q4 A neutral atom has a mass number of 80 and has 45 neutrons. Write its atomic symbol.
05 An atom has two more protons and two more electrons than the atom in Question 4. What is its atomic symbol?
6 Pre-Lab Study Questions
| 21
Date
Name
Section
Team
Instructor
1. Describe the periodic table.
2. Where are the alkali metals and the halogens located on the periodic table?
3. On the following list of elements, circle the symbols of the transition elements and underline the symbols of the halogens:
Mg Cu Br
Ni Cl Fe
Ag
4. Complete the list of names of elements and symbols:
Name of
Element
Symbol
Name of Element
Symbol
Potassium
Na
Sulfur
P
Nitrogen
Fe
Magnesium
ci
Copper
Ag
D. Isotopes and Atomic Mass
Complete
TABLES & QUESTIONS
I.
Nuclear Symbol
Protons
Neutrons
Electrons
107
Ag
109
47Ag
2.
Nuclear Symbol
Isotopic Mass
Percent Abundance
107
47Ag
106.9
51.84%
109
147Ag
108.9
48.15%
(Show calculations here)
Questions and Problems
Q4 A neutral atom has a mass number of 80 and has 45 neutrons. Write its atomic symbol.
05 An atom has two more protons and two more electrons than the atom in Question 4. What is its atomic symbol?
2. Formulas of ionic compounds
2-3
ca
PAGES:105-106
Name
Positive lon
Negative lon
Formula
Lithium iodide
Li+
Lil
Aluminum oxide
Calcium sulfide
Magnesium bromide
Potassium nitride
Sodium fluoride
3. Names of ionic compounds
Formula
Positive lon
Negative lon
Name
K S
K+
32
Potassium sulfide
BaF2
Mgo
Na3N
AICI:
Mg3P2
C. Metals in Ionic Compounds with Variable Charge
1. Physical properties
Compound
Appearance
Density
Melting Point
Iron(III) chloride, FeCl3
2. Formulas of ionic compounds
Name
Positive lon
Negative lon
Formula
Iron(III) chloride
Fe3+
CI-
FeCl3
Iron(II) oxide
Copper(l) sulfide
Copper(II) nitride
Zinc oxide
Silver sulfide
Complete TABLE
C. The Atom
Protons
Name of Symbol of Atomic Mass
Element Element Number Number
Neutrons Electrons
Fe
30
27
13
19
20
Bromine
80
Au
197
C3 Names of ionic compounds PAGE 106-107
C3.D2.03
Formula
Positive ion
Negative ion
Name
Cu2S
Cut
S2-
Copper(l) sulfide
Fe2O3
CuCl2
Fes
Ag20
FeBr2
D. Ionic Compounds with Polyatomic lons
1. Physical properties
Compound
Appearance
Density
Melting Point
K2CO3
2. Formulas of ionic compounds
Name
Positive lon
Negative lon
Formula
Potassium carbonate
K+
CO3
K2CO3
Sodium nitrate
Calcium bicarbonate
Chromium (III) hydroxide
Lithium phosphate
Potassium sulfate
3. Names of ionic compounds
Formula
Positive ion
Negative ion
Name
CaSO4
Ca2+
SO42-
Calcium sulfate
AI(NO3)3
Na2CO3
MgSO3
Cu(OH)2
Mg3(PO4)2

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