Download Chapter 5 Reading Guide Please answer the following questions in

Chapter 5 Reading Guide
Please answer the following questions in your lab journal
Section 5.1
1.
What practice by chemists increased the rate of discovery of the elements?
2.
How did Levoisier group the elements?
3.
How is the game of solitaire related to the periodic table?
4.
How did Mendeleev arrange the elements in the periodic table?
5.
At quick glance of the Mendeleev’s periodic table (bottom of page 127), what are some
differences you spot from the modern periodic table (like the one on the wall or in your
book)?
6.
Why couldn’t Mendeleev make a complete table of the elements?
7.
How did Mendeleev know where to leave spaces in his periodic table?
8.
How did the discovery of new elements such as gallium demonstrate the usefulness of
Mendeleev’s table?
Section 5.2
9.
How is a keyboard an example of a periodic pattern?
10.
How are elements arranged in the modern periodic table?
11.
Why didn’t Mendeleev arrange the elements like they are in the modern periodic table?
12.
Please describe what a “period” is on the periodic table.
13.
According to the periodic table at the top of page 131, how many elements does period
7 have?
14.
Why does the number of elements per period differ?
15.
Please explain what a “group” is on the periodic table.
16.
What do elements in the same group have in common?
17.
An element’s electron configuration determines its __________ properties.
18.
Please explain the periodic law.
19.
Look at page 132-133. What is the first element in group 2A?
20.
What is the definition of an atomic mass unit (amu)?
21.
Please explain what a weighted average is.
22.
How are weighted averages related to mass numbers (atomic mass)?
23.
What are 3 ways that the periodic table classifies elements?
24.
What are 3 properties of metals?
25.
What is one distinctive property of the transition elements?
26.
What are 2 properties of non-metals?
27.
What are metalloids?
28.
What happens to elements as you move from left to right across the periodic
table?
Section 5.3
29.
Please explain why hydrogen is located on the left side of the periodic table.
30.
What is a valence electron?
31.
Why do elements in a group have similar properties?
32.
The reactivity of alkali metals _____________ from the top of Group 1A to the bottom.
33.
How many valence electrons does an alkali metal have?
34.
How many valence electrons do the alkaline earth metals have?
35.
How many valence electrons do elements in the carbon family have?
36.
How many valence electrons do the elements in the nitrogen family have?
37.
What is the most abundant element in the earth’s crust?
38.
How many valence electrons do the elements in the oxygen family have?
39.
What is the most reactive Halogen?
40.
What are 3 properties of the noble gases?