stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Part 1 Final Exam Review–Chemistry Flashcards | StudBud
Explore
/
Part 1 Final Exam Review–Chemistry
Part 1 Final Exam Review–Chemistry
23 terms
·
StudBud Administration
·
172 plays
Final exam review for College Prep Chemistry
Flashcards
23 cards
F
Practice quiz
P
Host live
L
Questions
23
Answers
1
True or false: N
2
is an example of a compound with a triple bond
True
False
2
What is a double bond?
One pair of electrons shared between two atoms
Two pairs of electrons shared between four atoms
A bond between two atoms and six electrons
Two pairs of electrons shared between two atoms
3
The equation Mg + 2HCl --> MgCl
2
+ H
2
is an example of what type of reaction?
decomposition
single-replacement
combination
double-replacement
4
What is the formula for sodium nitride?
NaNO3
Na3N
NaN3
Na3NO3
5
True or false: A double bond involves two pairs of electrons
True
False
6
Which of the following elements does NOT form an ion with a charge of +1?
fluorine
hydrogen
sodium
potassium
7
What are the coefficients that will balance the equation: AlCl
3
+ NaOH --> Al(OH)
3
+ NaCl?
1,1,1,3
1,3,3,1
1,3,1,3
3,1,3,1
8
What is the chemical name for the compound with the formula Na
2
S?
Magnesium fluoride
Sodium fluoride
Lithium Oxide
Sodium Sulfide
9
What are the missing coefficients for the equation: Cr + Fe(NO
3
)
2
--> Fe + Cr(NO
3
)
3
2,3,2,3
4,6,6,2
2,3,3,2
1,3,3,1
10
How many valence electrons are in an atom of magnesium?
5
3
4
2
11
A covalent bond in which electrons are shared unequally is:
Ionic
A double bond
Polar
Polyatomic
12
The reaction 2Fe + 3Cl
2
--> 2FeCl
3
is an example of which type of reaction?
synthesis
single-replacement
combustion
decomposition
13
The equation H
3
PO
4
+ 3KOH --> K
3
PO
3
+ 3H
2
O is what type of reaction?
synthesis
double-replacement
decomposition
single-replacement
14
How many valence electrons are in an atom of phosphorus?
4
3
5
2
15
A molecule with a single covalent bond is:
CO2
CO
N2
Cl2
16
A chemical bond that is formed when two atoms share electrons is called a(n):
covalent bond
polyatomic bond
compound
ionic bond
17
What is the coefficient for Cl
2
in the equation: Fe + Cl
2
--> FeCl
3
4
3
2
1
18
What are the coefficients that will balance the equation: N
2
+ H
2
--> NH
3
1,3,3
3,1,2
1,1,2
1,3,2
19
According to VSEPR, molecules adjust their shapes to keep ___ as far apart as possible
inner shell electrons
electrons closest to the nuclei
mobile electrons
pairs of valence electrons
20
The octet rule states that, in chemical compounds, atoms tend to have ____
the same number of protons and electrons
the electron configuration of a noble gas after reacting
more protons than electrons
more electrons than protons
21
Which of the following covalent bonds is most polar?
H-N
H-F
H-H
H-C
22
The shape of methane, CH
4
, is:
trigonal planar
bent
square
tetrahedral
23
What is the coefficient for HCl in the equation: Mg + HCl --> MgCl
2
+ H
2
2
6
1
3
