Upload
others
View
5
Download
0
Embed Size (px)
Citation preview
Periodic Table of Elements Study Guide
Halogen(reactive/stable)Nobel Gasses(non-reactive)
Alkali(reactive/unstable)
Periods: # of energy levels
Groups/Family: similar properties and Valence electrons
Non-metals
Metalloids
Metals
Practice Problems:1. What elements are found at the
following positions:a. Group 17, Period 2: ____________b. Group 14, Period 3: ____________
2. What is the name of the most reactive, unstable, metal family? _____________
3. What is the name of the most reactive, stable, non-metal family? ___________
4. How many energy levels does the element Rb contain? ___________
5. The element Ne contains 2 energy levels, what period is it found in? _____
6. What family is full of themselves and non-reactive? _________________
7. Which of the following elements have similar properties?a. S & Po b. S & P c. Ar & Al
8. Which elements are in the same period?a. B & Li b. Li & Na c. Ne & Ar
Periodic Table Properties Properties
Prop
ertie
s
Loca
tion
Lust
er (S
hine
)
Cond
ucto
rs
(hea
t/el
ectr
icity
)
Mal
leab
le (b
end)
Ducti
le (fl
atten
sh
eets
/str
ands
)
Reac
ts w
ith
Colo
r
Stat
e of
Matt
er
(roo
m te
mp.
)
Metal Left Non-metals
Greyish to white solid
Non-metal Right X
Dull X XBrittle X metals
Yellow, red,
green, colorless
gas
Metalloid
Stair case
Both Both Both Both Both All of the above
solid/gas
Nobel Gases
Group 18
X X X X none colorless gas
Practice Problems:
1. Which of the following elements contains the following characteristics?a. Li b. Sr c. Al d. Si
2. Based on the properties of the 4 elementsfound on the table to the left. Whichelement is most likely a non-metal?
a. Sample 1b. Sample 2c. Sample 3d. Sample 4
Practice Problems:1. What group/family do the following elements
belong to? _____
2. What is the purpose off valence electrons? _______________________________________
3. How many valence electrons do elements in group/family 17 have? _________
4. How many valence do the following elements have? Mg _____ N______ Cl______ He _____
Group #1 = ALL have 1 valence electron
Group #
Valence electron: Determined by GROUP # Electrons in OUTERMOST energy
level Determines an atoms REACTIVITY
Example:1.