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WorksheetsMr. B's Chemistry 17
Total questions: 75
Worksheet time: 38mins
Name
Class
Date
1.
Which scientist discovered particles with no charge that he called neutrons?
a)
James Chadwick
b)
Jimmy Neutron
c)
John Dalton
d)
Dustin Clark
2.
Which scientist had 4 parts to his theory and said that atoms of one element are all the same and atoms of different elements are different?
a)
James Newton
b)
John Dalton
c)
Ernest Rutherford
d)
Democritus
3.
Which scientist said that almost all mass is in the nucleus and also discovered protons and the nucleus.
a)
Ernest Rutherford
b)
JJ Thomson
c)
John Candy
d)
Ernest Hemingway
4.
Which scientist proposed that electrons move around in shells/orbitals.
a)
Niels Bohr
b)
John Dalton
c)
Elvis Orbital
d)
Nial Bohrs
5.
The current model of the placement of electrons.
a)
Electron Cloud Model
b)
Electron Fog Model
c)
Bohr Dots
d)
Lewis Diagrams
6.
How you can determine the number of protons in an atom.
a)
Atomic #
b)
Atomic Mass
c)
Subtract atomic # from atomic mass
d)
Add atomic # and Atomic Mass
7.
How you can determine the number of neutrons in an atom.
a)
Atomic #
b)
Atomic mass
c)
Atomic mass- atomic #
d)
Atomic # + atomic mass
8.
The number of electrons is equal to the ____________
a)
# of protons
b)
atomic mass
c)
group #
d)
period #
9.
If you want to determine the atomic mass of an atom, what 2 subatomic particles do you need to know?
a)
protons and electrons
b)
protons and neutrons
c)
neutrons and electrons
d)
electrons and nucleus
10.
Where can you find the protons?
a)
nucleus
b)
electron shells
c)
electron cloud
11.
Where can you find the neutrons?
a)
nucleus
b)
electron cloud
c)
electron shells
12.
How many electrons can fit into the 1st shell?
a)
2
b)
8
c)
18
d)
32
13.
How many electrons can fit into the 2nd shell?
a)
2
b)
8
c)
18
d)
32
14.
How many electrons can fit into the 3rd shell?
a)
2
b)
8
c)
18
d)
32
15.
The horizontal row on the Periodic Table is called a
a)
row
b)
period
c)
group
d)
valence
16.
The vertical columns on the periodic table are called a
a)
row
b)
period
c)
group
d)
valence shell
17.
How many groups are on the Periodic Table?
a)
10
b)
12
c)
18
d)
32
18.
How many "Families" are on the Periodic Table?
a)
10
b)
18
c)
12
d)
32
19.
How many periods are on the Periodic Table?
a)
5
b)
7
c)
9
d)
11
20.
What do we call the outermost electron shell?
a)
valence
b)
balance
c)
valencia
d)
cloud
21.
What on the periodic table do you look at to determine the number of valence electrons an atom has?
a)
period
b)
group
c)
atomic #
d)
atomic mass
22.
What on the periodic table do you look at to determine the number of electron shells/orbitals you draw for Bohr Diagrams?
a)
period
b)
group
c)
column
d)
atomic #
23.
What is the atomic weight of a neutron?
a)
0
b)
1
c)
2
d)
3
24.
What is the atomic weight of an electron?
a)
0
b)
1
c)
2
d)
3
25.
How many valence electrons do the elements in group 13 have?
a)
13
b)
3
c)
7
d)
8
26.
How many valence electrons do the elements in group 18 have?
a)
4
b)
8
c)
12
d)
0
27.
How many valence electrons do elements in group 2 have?
a)
0
b)
1
c)
2
d)
6
28.
How many electron shells would you draw for an element in the 4th period?
a)
0
b)
1
c)
2
d)
4
29.
How many electron shells would you draw for a Bohr diagram of Silicon?
a)
1
b)
2
c)
3
d)
4
30.
How many electron shells would you draw for a Bohr diagram of Tin?
a)
2
b)
3
c)
5
d)
7
31.
How many valence electrons does an atom of Helium have?
a)
0
b)
2
c)
6
d)
8
32.
How many valence electrons does an atom of Magnesium have?
a)
2
b)
4
c)
7
d)
8
33.
How many valence electrons does an atom of Oxygen have?
a)
2
b)
4
c)
6
d)
8
34.
What is the Family name for Group 18 (the one that doesn't like to bond with anyone because they think they're so special)?
a)
Noble Gases
b)
Halogens
c)
Alkali Metals
d)
Transition Metals
35.
What is the name for the large group of elements in the middle of the Periodic Table?
a)
Halogens
b)
Noble Gases
c)
Transition Metals
d)
Alkali Metals
36.
What is the ionic charge for the elements in group 18?
a)
0
b)
+1
c)
+2
d)
-1
37.
What is the ionic charge for the elements in Group 2?
a)
+2
b)
-2
c)
+3
d)
-3
38.
The simplest pure substance
a)
element
b)
mixture
c)
compound
39.
Cannot be changed into a simpler substance by chemical or physical processes.
a)
element
b)
mixture
c)
compound
40.
Elements can exist as
a)
atoms only
b)
molecules only
c)
atoms and molecules
d)
compounds
41.
Pure substance made from two or more elements.
a)
element
b)
compound
c)
mixture
42.
Make new substances with properties that are different from the elements they are made of.
a)
elements
b)
compounds
c)
mixtures
43.
One or more substances that are combined physically and can be separated physically.
a)
elements
b)
compounds
c)
mixtures
44.
A mixture that is not the same or uniform throughout. Can be separated easily.
a)
heterogenous mixtures
b)
homogenous mixtures
45.
A mixture that appears to be uniform/same throughout and is "well mixed". Cannot be easily separated.
a)
heterogenous mixture
b)
homogenous mixture
46.
Antimony is an example of a
a)
element
b)
compound
c)
mixture
47.
Mouthwash is an example of a
a)
element
b)
compound
c)
mixture
48.
Sugar (C6H12O6) is an example of
a)
element
b)
compound
c)
mixture
49.
Tin is an example of a
a)
element
b)
compound
c)
mixture
50.
Vegetable stew is an example of a
a)
element
b)
compound
c)
mixture
51.
Hydrogen Peroxide (H2O2) is an example of a
a)
element
b)
compound
c)
mixture
52.
When drawing Bohr diagrams, you should always start on the _________ of the element
a)
right
b)
left
c)
top
d)
bottom
53.
Which direction should you fill in the electrons when completing a Bohr Diagram?
a)
clockwise
b)
counter-clockwise
54.
Which type of diagram shows ALL of the electrons an atom contains?
a)
Bohr
b)
Lewis
c)
Neutral
d)
Venn
55.
Which type of diagram shows just the valence electrons that an atom contains?
a)
Bohr
b)
Lewis
c)
Venn
d)
All of them show just valence
56.
In any element, the number of ________ is ALWAYS constant.
a)
protons
b)
electrons
c)
neutrons
57.
An atom that has lost or gained one or more electrons and has become either positively or negatively charged.
a)
ion
b)
atom
c)
isotope
d)
element
58.
In an ion, the ________ and _______ remains the same.
a)
atomic # and atomic mass
b)
atomic # and # of electrons
c)
# of neutrons and # of electrons
59.
An atom that gains electrons will have a ______ charge
a)
positive
b)
negative
c)
neutral
60.
A negative ion is called a
a)
anion
b)
cation
c)
ion
61.
An atom that loses electrons will become ________ charged
a)
positively
b)
negatively
c)
neutrally
62.
A positively charged ion is called a
a)
anion
b)
cation
c)
ion
63.
What type of ion is Na+3
a)
anion
b)
cation
64.
Which scientist arranged the periodic table by the atomic mass?
a)
Dmitri Mendeleev
b)
Harry Bosher
c)
Dmitri Paschal
d)
Henry Ford
65.
How did Henry Moseley change the Periodic Table?
a)
arranged by atomic #
b)
arranged by atomic mass
c)
arranged by size of atom
d)
arranged by where they found the element
66.
How many sections is the periodic table broken into?
a)
1
b)
2
c)
3
d)
4
67.
How many atoms of Hydrogen are in HO-
a)
0
b)
1
c)
2
d)
3
68.
How many atoms of carbon are in C6H12O6?
a)
6
b)
12
c)
3
d)
4
69.
Which scientist had the Plum Pudding/Chocolate Chip Cookie Dough Model?
a)
Democritus
b)
JJ Thomson
c)
Ernest Rutherford
d)
Amy Davis
70.
What is the family name for Group 14 of the Periodic Table?
a)
Boron
b)
Carbon
c)
Noble Gases
d)
Nitrogen
71.
Bohr models show _____________ electrons an atom has.
a)
all of the
b)
just the valence
c)
some of the
d)
the positively charged
72.
Lewis Structures show ___________________ electrons an element has.
a)
all of the
b)
the valence
c)
some of the
d)
the even numbered
73.
When drawing a Lewis Structure for Neon, how many "dots" would you draw?
a)
2
b)
4
c)
6
d)
8
74.
When drawing a Lewis Structure for Helium, how many "dots" would you draw?
a)
2
b)
4
c)
6
d)
8
75.
How is today's Periodic Table arranged?
a)
by atomic #
b)
alphabetically
c)
by # of valence electrons
d)
by the year they were discovered
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