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Ch 5 – The Period Table – Introduction WS
Question
Answer
1. Describe how Mendeleev organized
the elements into rows and columns in
his periodic table. (page 127)
2. Define the periodic table (page 127)
3. What card game did Mendeleev use
as a model for the periodic table?
(page 127)
4. Why did Mendeleev leave spaces in
his table? (page 128)
5. How was Mendeleev able to predict
the properties of elements that had not
yet been discovered? (page 128)
6. How did the discovery of new
elements such as gallium demonstrate
the usefulness of Mendeleev’s table?
(page 129)
7. What determines the order of
elements in the modern periodic table?
(page 131)
8. What is a period on the periodic
table? (page 131)
9. What is a group (family) on the
periodic table? (page 131)
10. Describe periodic law. (page 131)
11. What two factors determine the
atomic mass of an element?
(page 134)
12. Name three categories that are
used to classify the elements in the
periodic table? (page 135)
13. Define a metal?
(page 135)
14. What are transition metals?
(page 136)
15. What are nonmetals?
(page 136)
Name ___________________ Period _____
16. What are metalloids?
(page 136)
17. What major change occurs as you
move from left to right across the
periodic table? (page 138)
18. What is a valence electron?
Draw a SQUARE around each valence
electron in the picture!
(page 139)
19. Explain why elements in a group
(family) have similar properties?
(page139)
20. What is the relationship between
an Alkali Metal’s location in Group 1A
and its reactivity? (page 140)
21. What two Alkaline Earth Metals are
essential elements in the human body?
(page 141)
22. What element in the Boron Family Metal __________________
is the most abundant metal in the
1.
Earth’s crust? Identify 2 ways in which 2.
we use this metal (page 142)
23. What element in the Carbon
Family exists in almost every
compound in your body? (page 142)
24. What are two common elements
from the Nitrogen Family found in
fertilizers? (page 143)
25. What element from the Oxygen
Family is the most abundant ELEMENT
in the Earth’s crust? (page 143)
26. Despite their physical differences,
what similar chemical property do all
the Halogens share? (page 144)
27. Which group (family) of elements
is the least reactive (most stable)?
(page 145)