Transcript The Periodic Table

Name
Date
Block
The Periodic Table
Define the following…
 Atomic Number
 Valence electrons
 Energy levels
 Period
 Family
Make sure you have assess to
a periodic table…
Where do I find the atomic
number on a periodic table?
Where do I find the energy
levels on a periodic table?
Where do I find the period
on a periodic table?
Where do I find the valence
electrons on a periodic table?
Where do I find the family on
a periodic table?
Find magnesium…
 How many total electrons are in a magnesium




atom?
Which period is magnesium in?
How many energy levels does it have?
Which group or family does magnesium
belong to?
How many valence electrons does it have?
Find calcium…
 How many total electrons are in a calcium




atom?
Which period is calcium in?
How many energy levels does it have?
Which group or family does calcium belong
to?
How many valence electrons does it have?
Group 2 elements…
 What do all elements in Group 2 have in
common?
 How many valence electrons do they have?
 How does this affect how they react with
other elements?
Experiment…
Predict what will happen if samples calcium,
magnesium and aluminum are put into an HCl
solution…
Ca
3 test tubes of HCl…
Mg
Al
Group/Family…
 What do all members of a group/family on
the periodic table have in common?
 What is the relationship between an
element’s group/family and the number of
valence electrons that element has?
 How does an element’s group/family affect
how it bonds with other elements?
Group 18…
 What are elements in Group 18 called?
 What is so special about Group 18?
 How does this affect how elements in Group
18 bond?
Periodic Law
the statement that the physical and chemical
properties of the elements repeat in a regular
pattern when they are arranged in order of
increasing atomic number.
Understanding Level:
1 23 4
Define (in your own words):
____________________________________________________
____________________________________________________
Draw:
Periodic Table
The periodic table is a tabular arrangement of
the chemical elements by increasing atomic
number which displays the elements so that
one may see trends in their properties.
Understanding Level:
1 23 4
Define (in your own words):
____________________________________________________
____________________________________________________
Draw:
Valence electrons
electrons in the outermost energy level of an
atom.
Understanding Level:
1 23 4
Define (in your own words):
____________________________________________________
____________________________________________________
Draw:
Electron configuration
the most stable arrangement of electrons in
sublevels and orbitals.
Understanding Level:
1 23 4
Define (in your own words):
____________________________________________________
____________________________________________________
Draw:
Oxidation number/ion charge
the charge of an ion or an element; can be
positive (metals - cations) or
negative(nonmetals – anions)
Understanding Level:
1 23 4
Define (in your own words):
____________________________________________________
____________________________________________________
Draw:
Atomic number
the number of protons in the nucleus of an
atom (increases as you move across and down
the periodic table)
Understanding Level:
1 23 4
Define (in your own words):
____________________________________________________
____________________________________________________
Draw:
Average atomic mass
The average mass of atoms of an element,
calculated using the relative abundance of
isotopes in a naturally-occurring element.
Understanding Level:
1 23 4
Define (in your own words):
____________________________________________________
____________________________________________________
Draw:
Al
3+
SO4
2-
According to this information,
what is the chemical formula
for aluminum sulfate?
(Apr'04 11th - 23)
A.
B.
C.
D.
AlSO4
Al2(SO4)3
Al3(SO4)2
Al6SO4
B
Calcium (Ca2+) + Chloride (Cl-)  Calcium chloride
The chemical formula for
calcium chloride is _____.
Apr'04 11th - 38)
A.
B.
C.
D.
Ca2Cl
CaCl
CaCl2
Ca2Cl3
(
C
Silver bromide is a type of halide.
Halogens or elements from group 17
in the periodic table are necessary
to form halide compounds. Which of
the following is the correct
formula for silver bromide?
A.
B.
C.
D.
SiBr4
Si7Br
Ag7Br
AgBr
D
According to the periodic
table, which of these
elements will form an ion
with a –2 charge?
(Jul'06 11th -34)
A.
B.
C.
D.
S
Mg
F
Rb
A
According to the periodic
table, which element most
readily accepts electrons?
(Spr'03 11th -23)
A.
B.
C.
D.
Fluorine
Nitrogen
Arsenic
Aluminum
A
The bonding characteristics
of oxygen are most similar to
the bonding characteristics
of _____.
(Apr'06 11th -9 and Fall'05 11th -37)
A.
B.
C.
D.
hydrogen
silicon
helium
sulfur
D
The ionic compounds that result from combining
Group 2 and Group 16 elements have a 1:1 ratio
because _____. (Feb'06 11th -45)
A. Group 2 elements are electrically neutral
B. Group 2 elements have two valence electrons
C. Group 2 elements contain neutrons in the nucleus
D. Group 2 contains more elements than other groups
B
Elements found in which shaded area of
this periodic table undergo the fewest
chemical reactions?
A. Q
B. R
C. S
D. T
D
According to the periodic table and the
information above, which element has
this electron configuration?
A.
B.
C.
D.
Sodium
Neon
Magnesium
Argon
D
Elements in Group 16 of the
periodic table usually _____.
A.
B.
C.
D.
form large molecules
gain electrons when bonding
act like metals
solidify at room temperature
B
Which of the following
groups contains members with
similar chemical reactivity?
A.
B.
C.
D.
Li, Be, C
Be, Mg, Sr
Sc, Y, Zr
C, N, O
B
An unidentified element has many of
the same physical and chemical
properties as magnesium and
strontium but has a lower atomic
mass than either of these elements.
What is the most likely identity of
this element?
A.
B.
C.
D.
Sodium
Beryllium
Calcium
Rubidium
B
A certain atom has a nucleus
containing six protons and eight
neutrons and has six electrons
orbiting the nucleus. This atom
is a form of the element _____.
A.
B.
C.
D.
silicon
carbon
magnesium
calcium
B
Calcium ions play an important role in
the function of neurons in the brain.
Elements that are chemically similar to
calcium can interfere with the function
of neurons. Which of the following is
most likely to imitate calcium’s role
in the function of neurons?
A.
B.
C.
D.
sodium
potassium
strontium
rubidium
C