Bonding and Nomenclature

1
Bonding and Nomenclature
2
(No Transcript)
3
Term _______________________ 1 2 3 4

• Define (in your own words) ______________________
  __________________________________________________
  __________________________________________________
  __________________________________________________
  
• Draw

4
covalent bond

• the attraction of two atoms for a shared pair of
  electrons.

5
covalent bond 1 2 3 4
Understanding Level

• (define in your own words)
• Draw your picture

6
ion

• an atom or group of combined atoms that has a
  charge because of the loss or gain of electrons.

7
ion 1 2 3 4
Understanding Level

• (define in your own words)
• Draw your picture

8
ionic bond

• the strong attractive force between ions of
  opposite charge electrons are transferred.
  Usually occurs between a metal and a nonmetal.

9
ionic bond 1 2 3 4
Understanding Level

• (define in your own words)
• Draw your picture

10
polyatomic ion

• an ion that consists of two or more different
  elements .

11
polyatomic ion 1 2 3 4
Understanding Level

• (define in your own words)
• Draw your picture

12
valence electron

• an electron in the outermost shell of an atom.

13
valence electron 1 2 3 4
Understanding Level

• (define in your own words)
• Draw your picture

14
(No Transcript)
15
Demo
Cl Mg 2 MgCl2 Cl

• Mg HCl ? MgCl2 H2

16
.According to this information, what is the
chemical formula for aluminum sulfate? (Apr'04
11th - 23)   A. AlSO4 B. Al2(SO4)3 C. Al3(SO4)2
D. Al6SO4
17
(No Transcript)
18
B
19
Calcium (Ca2) Chloride (Cl-) ? Calcium
chloride
The chemical formula for calcium chloride is
_____. (Apr'04 11th - 38)   A. Ca2Cl B. CaCl C. C
aCl2 D. Ca2Cl3
20
C
21
Alpha particles are one type of radioactivity.
These particles have a nucleus of two protons and
two neutrons but have no orbital electrons. Based
on this information, it can be inferred that
alpha particles are positive ions of the element
_____. (Apr'06 11th - 42)   A. actinium B. curi
um C. radium D. helium
22
D
23
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 _____. (Apr'06 11th - 53)   A. silicon B.
carbon C. magnesium D. calcium
24
B
25
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? (cloned)   A. SiBr4 B. Si7Br C. Ag7Br
D. AgBr
26
D
27
According to the periodic table, which of these
elements will form an ion with a 2 charge?
(Jul'06 11th -34)   A. S B. Mg C. F D. Rb
28
A
29
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 calciums
role in the function of neurons? (Oct'05 11th
-24)   A. Sodium B. Potassium C. Strontium D. R
ubidium
30
C
31
. Ca 2 CO3 2- Limestone is a sedimentary rock
consisting mostly of calcium carbonate. According
to the information above, what is the correct
formula for calcium carbonate? (cloned)   A. Ca2(C
O3)2 B. CaCO3 C. Ca3CO2 D. Ca2CO3
32
B
33
.When ammonium nitrate is heated to a high
temperature, it explosively breaks down into
dinitrogen monoxide and water. What is the
formula for dinitrogen monoxide?
(cloned) A. NO B. N2O C. NO2 D. N2O5
34
B
35
According to the periodic table, which element
most readily accepts electrons? (Spr'03 11th
-23)   A. Fluorine B. Nitrogen C. Arsenic D. Alumi
num
36
A
37
. The bonding characteristics of oxygen are most
similar to the bonding characteristics of _____.
(Apr'06 11th -9 and Fall'05 11th
-37)   A. hydrogen B. silicon C. helium D. sulfur
38
D
39
Which of these elements is most likely to donate
one electron? (Apr'06 11th - 38)   A. Be B. Cs C.
Rn D. He
40
B
41
.The model above shows how an unidentified
element, X, forms covalent bonds with oxygen. In
which group on the periodic table does Element X
most likely belong?   A. Group 6 B. Group
12 C. Group 14 D. Group 18
42
C
43
In which model of the periodic table does the
shaded area show the location of elements that
require the least energy to lose one electron?
(Feb'06 11th - 21)
A
C
D
B
44
A
45
.The ionic compounds that result from combining
Group 2 and Group 16 elements have a 11 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
46
B