Name: ______Date: ______Block: _____

Atomic Structure and the Periodic Table Study Guide

  1. What is an atom?
  1. Complete the following chart about subatomic particles.

Name / Charge / Symbol / Location / Relative Mass
  1. Draw an atom and label the subatomic particles.
  1. Which subatomic particle is used to determine the identity of an element?
  1. Where is most of the mass of the atom? What particle(s) are in this area?
  1. What is an atom called after it has gained or lost electrons? ______
  2. What do you call an atom if it has more or less neutrons than normal? ______
  3. Label the information provided in the periodic table.
  1. From a box on the periodic table, how do you determine the number of protons, electrons, and neutrons?

1)# p+ = ______

2)# e- = ______

3)# n0 = ______

  1. What does the atomic number represent?
  2. What does the atomic mass represent?
  3. Use your knowledge of atomic calculations to complete the chart.

Element / Atomic # / Atomic Mass / # p+ / # e- / # n0
Potassium
32
Hydrogen
Silver
9 / 10
  1. If an atom has 43 electrons, 56 neutrons, & 43 protons, what is the approximate atomic mass? What is the element?
  1. Calculate the correct number of p+,e-,and n0 for each isotope.

Complete Symbol / Atomic # / Atomic Mass / # p+ / # e- / # n0
612C
613C
614C
92235U
92238U
  1. What term is used for electrons on the outermost electron shell or energy level? ______
  2. The vertical columns on the periodic table are called ______.
  3. Why do elements in the same column have similar properties?
  1. Match the correct name to each group number

1)___ Group 1

2)___ Group 2

3)___ Groups 3-12

4)___ Group 13

5)___ Group 14

6)___ Group 15

7)___ Group 16

8)___ Group 17

9)___ Group 18

10)___ Two bottom rows of the periodic table

  1. Rare Earth Metals
  2. Boron Family
  3. Alkali Metals
  4. Nitrogen Family
  5. Halogens
  6. Transition Metals
  7. Noble Gases
  8. Alkaline Earth Metals
  9. Carbon Family
  10. Oxygen Family

  1. The horizontal rows on the periodic table are called ______.
  2. What information does the row number, or period, give?
  1. How many electrons will each energy level hold?1st = ___2nd = ___3rd = ___
  2. What are the steps to drawing a Bohr model?
  1. What are the steps to drawing a Lewis dot structure?
  1. Calculate the missing information and then draw the Bohr model and Lewis structure for each element.

  1. Answer the following questions about the elements in the previous question.

1)Which elements have a filled outermost shell?

2)Which element would be most likely to lose an electron to become stable?

3)Which element would be most likely to gain an electron to become stable?

4)Which elements are not likely to bond with other elements? Why?

  1. How many electrons do elements want in their valence shell to become stable? ___
  2. Complete the following table about ions.

Group Number / Valance e- / Stable # of valence e- / e- Activity - # of e-s lost or gained / Charge of ion formed
1
2
13
14
15
16
17
18