Name: ______
Date: ______
Period: ______
Atomic Structure Review Packet
Directions: Explain what the following people did
1)Dmitri Mendeleev
2)Antoine Lavoisier
3)J.W. Dobereiner
4)John Newlands
5)Julius Meyer
6)Henry Moseley
7)Niels Bohr
8)Glenn Seaborg
9)John Dalton
10)J.J. Thomson
11)Robert Millikan
12)Goldstein
13)James Chadwick
14)Ernest Rutherford
15)Bequerel
Directions: Answer the following questions
1)Who was known as the “Father of the Periodic Table”?
2)Who was known as the “Father of Modern Chemistry”?
3)Who developed the concept of triads?
4)Who developed the “Law of Octaves”?
5)When was Mendeleev’s original table sent out?
6)What did Mendeleev use to create his original table?
7)What was Newland’s original idea for a periodic table?
8)Which group of elements was missing from Mendeleev’s original table?
9)Mendeleev believed each element had a distinct identity but composed of?
10)Which year did Mendeleev’s table become a permanent fixture?
11)What final properties were used in Meyer’s periodic table?
12)What final properties were used in Mendeleev’s table?
13)Who changed the table by increasing atomic number and which year did he make this change
14)Who changed the table to the way we read it today by adding the rare earth series?
15)Niels Bohr linked the table by atomic structure thru?
16)What are representative elements?
17)Which group of elements are representative elements?
18)Elements going down are in a ______or ______
19)Each group of elements is identify by a ______and ______
20)Elements in the same group have similar ______and ______
21)Elements going across are in a ______or ______
22)There are ______rows on the periodic table
23)Elements are classified into 3 classes. What are these classes?
24)How many elements on the periodic table are metalloids?
25)List the metalloids
26)Where are the metals located on the periodic table
27)Where are the non-metals located on the periodic table
28)What are the 3 properties of metals
29)What are the 4 properties of non-metals
30)What are the metalloids only property
31)Give the following group names
- 1A
- 2A
- 3B
- 7A
- 8A or 0
32)Noble gases are also known as?
33)The bottom two rows of 3B are known as the?
34)La to Lu are known as the?
35)Ac to Lr are known as the?
36)What is the smallest particle of an element that retains the properties of that element
37)Who discovered the electron and in which year did he discover the electron
38)What method was used to discover the electron?
39)How did Thomson describe the atom?
40)Who discovered the mass of the electron
41)What method did he use to discover the mass of the electron
42)Who discovered the proton?
43)Who discovered radioactivity?
44)What are the three different types of radioactivity
45)Who discovered the neutron?
46)Who discovered the nucleus and what year did he discover the nucleus
47)What method was used to discover the nucleus
48)What makes up the atom’s mass?
49)What makes up the atom’s volume?
50)Protons and Neutrons can be broken down into?
51)List the 4 rules for determining the atomic structure
52)What are isotopes?
53)Why are isotopes still chemically alike?
54)Why are all atoms electrically neutral?
55)What is the difference between Atomic Mass and Atomic Weight?
56)What is the unit for atomic mass?
57)What is the smallest particle that retains the properties of an element called?
58)Does the nucleus have high or low density?
Directions: Determine the atomic weight for Chromium’s isotopes
1) Cr-50 % abundance = 4.35Mass = 49.946 amu
Cr-52 % abundance = 83.79Mass = 51.941 amu
Cr-53 % abundance = 9.50Mass = 52.941 amu
Cr-54 % abundance = 2.36Mass = 53.939 amu
Directions: Fill in the following table:
Atom / Atomic Number / Atomic Mass / Protons / Electrons / Neutrons32 / 16
20 / 24
Zn
9 / 10
11 / 23
Directions: Provide the following information:
Atomic # =
Mass # =
Number of Protons =106
Number of Electrons = Pd
Number of Neutrons =46
Directions: Fill in the following tables:
Ge- / Ge-Number of Protons
Number of Electrons
Number of Neutrons / 33 / 36
Number of Protons
Number of Electrons / 55
Number of Neutrons / 113 / 111