Tuesday 5 February 2013

Periodic Table Worksheet



Periodic Table Scavenger Hunt


1. Indentify each element.
 a) The element in group 5 and period 5.
      Niobium
b) Only halogen that is a liquid at room tmeperatiure and pressure.
     Chlorine
C) Alkali metal with the most massive atoms.
     Francium
d) Synthetic element in period 5.
     Technetium
e) Metal in group 16 and period 4.
     Selenium
f) Alkaline earth element with the least massive atoms
     Beryllium
g) Noble gas that has atoms with 54 protons.
     Xenon
2. Complete the following table. The first row is completed as an example.
Name of Elements
Atomic Number
Number of Protons
Number of Electrons
Silicon
14
14
14
Oxygen
8
8
10
Chromium
24
24
22
Sodium
11
11
11
Aluminum
12
13
10
Potassium
19
19
19

3. Shade in the following chemicals families, as indicated, on the outline of periodic table.

Red= Halogens     It is in family 17
Yellow=Noble Gases   It is in family 18             
Green=Alkali Metals   It is in family 1
Blue= Alkaline Earth Metals  It is in family 2

The Atom and the subatomic particles

1. Use the following vocabulary words to label the diagram
a) Atomic number
b) Symbol
c) Name
d) Average atomic mass
e) Common ion charge
f) Other ion charged

2. Examine the periodic table for the element below and complete the blanks.
a) Atomic number=35
b) Average atomic mass=79.9
c) Ion charge=-
d) Number of protons= 34
e) Number of element=Bromine
f) Number of neutrons=36

3. Complete the following table for the different atoms and ions. The first two rows have been completed to help you.
Element Name
Atomic Number
Ion Charge
Number of Protons
Number of Electrons
Number of Neutrons
Potassium
19
1+
19
18
20
Phosphorus
15
0
15
15
16
Lithium
3
0
3
3
4
Calcium
20
2+
20
18
20
Nitrogen
7
3-
7
10
4
Boron
5
0
5
5
6
Argon
18
0
18
18
18
Aluminum
13
+3
13
10
16
Chlorine
17
-1
17
18
18
Sodium
11
+1
11
10
12
  
Subatomic Particles

Complete the chart using the given information and the Periodic Table. All entries relate to atoms.

Element Name
Atomic Number
Mass Number
Standard atomic notation
Number of protons
Number of electrons
Number of neutrons
Aluminum
13
27
27
      Al
13
13
10
14
Argon

18

40
40
    Ar
18
18
18
22
Beryllium
4
9
9
    Be
4
4
2
5
Boron
5
11
11
    Be
5
5
5
6
Calcium
20
40
40
    Ca
20
20
18
20
Carbon
6
12
12
     C
6
6
6
6
Chlorine
17
35
35
     Cl
17
17
18
18
Fluorine
9
19
19
     F
9
9
10
10
Helium
2
4
4
   He
2
2
2
2
Hydrogen
1
1
1
   H
1
1
1
0
  
Complete the chart as above, but this time all entries relate to common ions.
Element Name
Atomic number
Mass Number
(rounded atomic mass)
Number of protons
Number of electrons
Number of neutrons
mass# - # protons
Ion Charge
Bromine
35
80
35
36
80-35=45
-1
Sodium
11
23
11
10
12
+1
Gallium
31
70
31
28
39
3+
Strontium
38
88
38
36
50
2+
Zinc
30
65
30
28
35
2+
Hydrogen
1
1
1
0
0
+1
Chromium
24
52
24
22
28
+3
+2
Hydrogen
1
1
1
2
0
1-

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