Name
Name
Vocabulary
Vocabulary
Section1.3
1.3
Section
Date
Date
Usewith
withtextbook
textbookpages
pages28–33.
28–33.
SCIENCE 9 – THE ATOM WORKSHEET
Use
NAME:
Atomic structure
structure
Atomic
Use
the
vocabulary
terms
thatfollow
follow
label
theof
parts
atom.the
Place
theterm
correct
term
Use
vocabulary
terms
totolabel
the
parts
ofofananPlace
atom.
Place
the
correct
1) 1.1.
Use
thethe
vocabulary
terms
that that
follow
to label
the
parts
an atom.
correct
on term
the
line
on
the
line
next
to
each
part
of
the
atom.
You
will
not
need
to
use
all
the
terms.
on
the
line
next
to
each
part
of
the
atom.
You
will
not
need
to
use
all
the
terms.
next to each part of the atom.
atom
neutron
atom
●● neutron
Proton
proton
electron
●● proton
●● electron
Nucleus ● shell
●
nucleus
● nucleus
● shell
●●
Neutron
Electron
Shell
(a)
(a)
(b)
(b)
(c)(c)
(d)
(d)
(e)
(e)
2) Complete the following table describing the three subatomic particles.
Completethe
thefollowing
followingtable
tabledescribing
describingthe
thethree
threesubatomic
subatomicparticles.
particles.
2.2. Complete
Proton
Proton
electriccharge
charge
electric
Name
Neutron
Neutron
Electron
Electron
Assessment
Section 1.3
Date
locationininthe
theatom
atom
location
Use with textbook pages 28–33.
Use the following diagram of an atom to
answer questions 8 and 9.
3) Which of the following exists in energy levels?
Atomic theory
I
Match
A. I each
only Descriptor on the left with the
corresponding Scientist on the right. Each
B.
II only
Scientist
may be used more than once.
C. III only
Descriptor
II
III
Scientist
D. II and III the
only A. Bohr
1. 16
16 discovered
MHR• •Section
Section1.3
1. 3 Atomic
AtomicTheory
Theory
MHR
nucleus
B. Dalton
2.
suggested that C. Rutherford
all matter is made of
D. Thomson
atoms
3.
proposed the
2007McGraw-Hill
McGraw-HillRyerson
RyersonLimited
Limited
©©2007
8. Which of the following is the structure
labelled II in the diagram?
A. atom
Use the terms in the vocabulary box to fill in the blanks for questions 4 - 11. You can se each term more
than once. You will not need to use every term.
Bohr
Dalton
electrons
energy
mass
negative
neutral
neutrons
positive
protons
shells
subatomic particles
Rutherford
Thomson
4)
suggested that matter is made up of atoms.
5)
proposed that atoms contain negatively charged particles which
.
were later called
6)
discovered the nucleus and its subatomic particles. He suggested
that the nucleus was made up of positively charged particles called
and particles with no charge called
.
7)
proposed that electrons are located in
around the nucleus.
8) Electrons have different amounts of
between the energy levels.
and can jump back and forth
9) All atoms are made up of three
neutrons.
: protons, electrons and
10) Protons have a
charge and
11)
charge, electrons have a
have no electrical charge.
and
cluster together to form the
nucleus of an atom.
12) Which of the following was not part of Dalton’s atomic theory?
A. All matter is made of small particles called atoms.
B. Atoms can be created or destroyed.
C. Atoms of the same element are identical.
D. Atoms of one element are different from the atoms of other elements.
13) Which of the following was not part of Rutherford’s atomic theory?
A. Most of the mass of the atom is concentrated in electrons.
B. Most of the atoms is empty space.
C. The nucleus is a tiny, dense, central core of the atom.
D. The nucleus contains protons and neutrons.