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Big Ol' Chemistry Review
Big Ol' Chemistry Review
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Chemistry Review: Reviews atomic structure, periodic table, bonding, Lewis diagrams.
Flashcards
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Questions
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Answers
1
The smallest particle into which an element can be divided and still be the same substance is
electron
neutron
atom
nucleus
2
Calcium is an Alkali Metal in Group 2. What is its Lewis Dot diagram?
B
D
H
A
3
The atomic number is
the sum of all subatomic particles
the number protons plus neutrons
the number of protons
the number of neutrons in the nucleus
4
The "8" represents the
C: number of protons
A: atomic mass
B and C: both blue and brown
B: the atomic number
5
If an ion has 22 protons, 20 neutrons, and 20 electrons the overall charge would be
neutral
2+
2-
none of these
6
Choose the correct combination of the type of element and the charge of its ions.....
noble gases; positive
nonmetals; positive
nonmetals; negative
metals; negative
7
How many atoms are in the molecule H
2
O?
3
none of these
2
1
8
Which letter represents the electron?
B
D
E
C
9
Sodium has an atomic number of 11. How many valence electrons does it have?
eleven
one
seven
zero
10
The electrons are likely to be found
with the protons
in electron clouds
mixed throughout atom
in the nucleus
11
Reactivity is determined by the
the atomic number
the number of electron clouds
the number of valence electrons
12
If an element is in the first column, how many valence electrons does it contain?
2
1
3
4
13
An atom with an unequal number of electrons and protons is a(n)
ion
nucleus
covalent
molecule
14
The number and kind of atoms in the reactants will ___________________ the number and kind in the products.
be more than
be equal to
none of these answers
be less than
15
Which letter represents the nucleus?
E
C
B
D
16
Which subatomic particle has a positive charge?
proton
electron
both a and b
neutron
17
Which one of the following could have the Lewis Dot Diagram illustrated?
fluorine
kryton
oxygen
aluminum
18
What do the dots around a symbol indicate in a Lewis Dot diagram?
The number of electrons in the atom.
The number of covalent bonds.
The number of electrons in the outer electron cloud.
The number of electron clouds
19
The "O" represents the
the chemical symbol
number of protons
atomic mass
the atomic number
20
An ion has a charge of 3
+
which means
It has three protons
the atomic number is 3
there are three more protons than electrons
the number of electrons is 3 greater than protons
21
Nonmetals are found on the
all over the periodic table.
on the left side of the zig-zag line on the periodic table.
the right side of the zig-zag line on the periodic table.
none of these answers.
22
Covalent Bonds...
Transfer valence electrons
Share protons
Share valence electrons
Transfer protons
23
Covalent Bonds are...
Between noble gas and Nonmetal
Between Metal and Metal
Between Nonmetal and Nonmetal
Between Nonmetal and Metal
24
How many atoms make up this molecule?
2
4
3
none of these answers
25
Is the Lewis dot diagram correct?
Yes!
No
26
How many bonds hold this molecule together?
4
3
2
none of these answers
27
Is the Lewis dot diagram correct?
No!
Yes!
28
Which subatomic particle is found outside the nucleus?
electron
proton
both b and c
neutron
29
Which of the following is the correct Lewis Dot symbol for Oxygen?
F
E
G
D
30
If an element is in the column next to the noble gases, how many valence electrons does it contain?
4
7
8
1
31
Atoms form bonds in order to
change their electrons into protons
get more protons
get full outer electron clouds
dominate the other elements
32
Explain what the atom of Aluminum will do with its electrons in an ionic bond.
Give one electron away.
Gain three electrons
Gain 5 electrons
Give all three electrons away
33
The number of protons in an atom is
C: able to change.
A: the same as the number of electrons in a neutral atom.
B: the atomic number.
A and B: red and blue
34
What are ionic bonds?
A nonmetal loses a valance electron to a metal
When a nonmetal gains electron from a nonmetal
Metal atom loses valence electron to nonmetal atom
When Mr. Snellen has his eye-on you.
35
Which one of these is an ionic compound?
CO2
NaCl
poo4
H2O
36
Which letter represents the proton?
B
E
C
D
37
Which element could this Lewis Diagram be for?
Ne
S
C
B
38
When N and O bond,
O will steal electrons
they will share electrons
they will form an ionic bond
they will make a noble gas
39
Phosphorus has an atomic mass of 30.97, and has 15 electrons, therefore
a phosphorus atom has 16 neutrons and 15 protons.
a phosphorus atom has 15 neutrons and 16 protons.
Not enough information given.
a phosphorus atom has 31 neutrons and 15 protons.
40
Which element could this Lewis Diagram be for?
Na
Si
P
F
41
Ionic bonds form because
ions of the same charge are attracted to each other
two or more atoms share protons
two atoms share their electrons
ions with different charges are attracted to each other
42
If an ion has 6 protons, 8 neutrons, and 8 electrons, the overall charge would be
neutral
2+
none of these
2-
43
Increasing temperature increases the speed of chemical reactions because...
it causes the products to react with each other
the heat creates more atoms
the substances melt and flow more easily
there are more and harder molecule collisions
44
How many valence electrons does a Helium atom have?
Eight
One
Two
zero
45
Is the Lewis dot diagram correct?
No
Yes!
46
Is the Lewis Dot diagram correct?
Yes!
No
47
When Mg and S bond, the formula will be
Mg2S6
MgS2
MgSi
MgS
48
The 15.999 represents the
the chemical symbol
the atomic number
atomic mass
number of protons
49
Which element could this Lewis Diagram be for?
N
Br
Al
K
50
Which one of these is NOT an ionic compound?
MgO
H2
BeF2
KF
51
Is this a Bohr Diagram or a Lewis Dot Diagram?
Lewis Dot Diagram
Bohr Diagram
52
Which subatomic particle has a neutral charge?
both a and b
proton
neutron
electron
53
what is metabolism?
your body's way of fighting off infection
the amount of energy in your body
chemical processes performed in the body to maintain life
your body's resting state
54
Metals are found on the
all over the periodic table.
the right side of the zig-zag line on the periodic table.
on the left side of the zig-zag line on the periodic table.
none of these answers.
55
Ionic Bonds are...
Between Nonmetal and Nonmetal
Between Metal and Metal
Between Metal and Nonmetal
Between metals and valence electrons
