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Transcript
Atoms, Elements, and the Periodic Table
Spring Packet
Due Date: March 24th
Name________________
Student Signature____________________
Parent Signature_____________________
Date__________
Atoms, Elements and the Periodic Table
Indicate whether the statement is true or false. If false, change the identified word or phrase to make the statement true.
____
1. The compound represented by the formula CH4 consists of two nonmetals. _________________________
____
2. Elements on the far right of the periodic table are classified as nonmetals. _________________________
____
3. For an atom to be neutral, the number of protons must equal the number of neutrons.
_________________________
____
4. An element can be identified by the number of protons in its nucleus. _________________________
Identify the choice that best completes the statement or answers the question.
____ 5. In the modern periodic table, elements are arranged according to increasing ____.
a. atomic number
c. date of discovery
b. atomic mass
d. electrical conductivity
3 6. Figure 1 shows a Bohr model of an atom. Which of the following
describes how you should change the model to show a neutral atom of
boron?
a. add one proton and one c. subtract one electron
electron
and one neutron
b. add one proton and one d. subtract one neutron
neutron
and one proton
Figure 1
7. Part of the periodic table is shaded in Figure 2. Which of the
following is the general name for these elements?
a. actinides
b. halogens
c. rare earths
d. noble gases
Figure 2
Using a periodic table, place each of the following elements in one of the following categories.
a. metal
c. semimetal
b. nonmetal
d. noble gas
____ 8. B, boron, 5
____ 9. W, tungsten, 74
____ 10. Rh, rhodium, 45
____ 11. Ne, neon, 10
Complete each statement.
12. Chlorine-35 and chlorine-37 have a different number of ____________________.
13. The likely location of the negatively charged particles in an atom is called a(n) ____________________.
14. Elements on the left side of the periodic table are classified as ____________________.
15. Two atoms that have the same number of protons but different numbers of neutrons are called
____________________.
Periodic Table Basics
Step 1: Complete the square for each element by filling in the
atomic number, name, & atomic mass.
Step 2: Determine the number of protons, neutrons, and
electrons in an atom of each element.
Step 3: Identify if the element is a solid, liquid, or gas at room
temperature.
Step 4: Give the melting (M.P.) and boiling points (B.P.) in
degrees Celsius.
____
B
_______
P=___
N=___
E=___
______
S
O L
OG
O
M.P. = _____
B.P. = _____
Properties
Uses
Step 5: List at least three physical or chemical properties for
each element.
Bohr Diagram Lewis Structure
Step 6: List at least three uses for each element.
B
Step 7: Draw a Bohr diagram and Lewis Structure to show the
arrangement of electrons and the number of valence electrons.
Step 8: Use the following colors to shade in the square for each element. You should ONLY color the
small square in the upper left-hand corner and not the entire card.
Green = Li & Na
Orange = B & Al
Pink = O & S
Red = C & Si
Blue = Be & Mg
Tan = N & P
Purple = F & Cl
Yellow = He, Ne, & Ar
Step 9: Cut the cards apart and arrange according to atomic number in the pattern shown. Once you
have the cards arranged in the correct order, glue them to a large sheet of construction paper.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Done? Answer the questions on the worksheet using the information on your Periodic Table!
Need information? Visit the Periodic Table
links on the Chemistry page of the Kid Zone!
Go to http://sciencespot.net/
and click the Kid Zone graphic!
T. Trimpe 2002
____
B
_______
______
P=___
N=___
E=___
S
O L
OG
____
O
M.P. = _____
B.P. = _____
H
_______
______
P=___
N=___
E=___
S
O L
OG
____
O
M.P. = _____
B.P. = _____
O
_______
______
P=___
N=___
E=___
S
O L
OG
O
M.P. = _____
B.P. = _____
Properties
Properties
Properties
Uses
Uses
Uses
Bohr Diagram Lewis Structure
Bohr Diagram Lewis Structure
Bohr Diagram Lewis Structure
B
____
P
_______
______
P=___
N=___
E=___
H
S
O L
OG
____
O
M.P. = _____
B.P. = _____
C
_______
______
P=___
N=___
E=___
O
S
O L
OG
____
O
M.P. = _____
B.P. = _____
Mg
_______
______
P=___
N=___
E=___
S
O L
OG
O
M.P. = _____
B.P. = _____
Properties
Properties
Properties
Uses
Uses
Uses
Bohr Diagram Lewis Structure
Bohr Diagram Lewis Structure
Bohr Diagram Lewis Structure
P
____
F
_______
______
P=___
N=___
E=___
C
S
O L
OG
____
O
M.P. = _____
B.P. = _____
Ar
_______
______
P=___
N=___
E=___
Mg
S
O L
OG
____
O
M.P. = _____
B.P. = _____
He
_______
______
P=___
N=___
E=___
S
O L
OG
O
M.P. = _____
B.P. = _____
Properties
Properties
Properties
Uses
Uses
Uses
Bohr Diagram Lewis Structure
Bohr Diagram Lewis Structure
Bohr Diagram Lewis Structure
F
Ar
He
____
Al
_______
______
P=___
N=___
E=___
S
O L
OG
____
O
M.P. = _____
B.P. = _____
N
_______
______
P=___
N=___
E=___
S
O L
OG
____
O
M.P. = _____
B.P. = _____
S
_______
______
P=___
N=___
E=___
S
L
OG
O
O
M.P. = _____
B.P. = _____
Properties
Properties
Properties
Uses
Uses
Uses
Bohr Diagram Lewis Structure
Bohr Diagram Lewis Structure
Bohr Diagram Lewis Structure
Al
____
Li
_______
______
P=___
N=___
E=___
N
S
O L
OG
____
O
M.P. = _____
B.P. = _____
Si
_______
______
P=___
N=___
E=___
S
S
O L
OG
____
O
M.P. = _____
B.P. = _____
Be
_______
______
P=___
N=___
E=___
S
O L
OG
O
M.P. = _____
B.P. = _____
Properties
Properties
Properties
Uses
Uses
Uses
Bohr Diagram Lewis Structure
Bohr Diagram Lewis Structure
Bohr Diagram Lewis Structure
Li
____
Na
_______
______
P=___
N=___
E=___
Si
S
O L
OG
____
O
M.P. = _____
B.P. = _____
Ne
_______
______
P=___
N=___
E=___
Be
S
O L
OG
____
O
M.P. = _____
B.P. = _____
Cl
_______
______
P=___
N=___
E=___
S
L
OG
O
O
M.P. = _____
B.P. = _____
Properties
Properties
Properties
Uses
Uses
Uses
Bohr Diagram Lewis Structure
Bohr Diagram Lewis Structure
Bohr Diagram Lewis Structure
Na
Ne
Cl
Periodic Table Basics
Name ____________________
Use your periodic table to answer each question.
1. How many elements in your table were:
(a) solids? _____
(b) liquids? _____
(c) gases? _____
2. Which elements had complete outer shells? Give the name and symbol for each.
________________ _____
________________ _____
________________ _____
3. What do you notice about the location of the elements in Question #2?
4. Which elements had only one valence electron? Give the name and symbol for each.
________________ _____
________________ _____
________________ _____
5. What do you notice about the location of the elements in Question #4?
6. What do you notice about the number of valence electrons as you move from left to right across a
period (or row) in the periodic table? (Example: Na Ar)
7. What do you notice about the number of valence electrons as you move down a group or column
in the periodic table? (Example: H Li Na)
8. What do you notice about the number of energy levels or shells as you move down a group or
column in the periodic table? (Example: H Li Na)
9. What do you notice about the melting points as you move from left to right across a period (or row)
in the periodic table? (Example: Li Ne)
10. What do you notice about the boiling points as you move from left to right across a period (or row)
in the periodic table? (Example: Li Ne)
T. Trimpe 2002
11. Each column or group in the periodic table is called a family. Elements are organized into families
according to their physical and chemical properties. Identify the elements that belong to each family
based on the number of valence electrons. Give the name and symbol for each element.
HINT: You will only use the elements you colored in Step 8!
Alkali Metals - 1 valence electron
_______________ _____
_______________ _____
Alkaline Earth Metals - 2 valence electrons _______________ _____
Boron Family - 3 valence electrons _______________ _____
Carbon Family - 4 valence electrons _______________ _____
_______________ _____
_______________ _____
_______________ _____
Nitrogen Family - 5 valence electrons _______________ _____
_______________ _____
Oxygen Family - 6 valence electrons _______________ _____
_______________ _____
Halides - 7 valence electrons _______________ _____
_______________ _____
Noble Gases - Complete outermost shell
_______________ _____
_______________ _____
_______________ _____
12. What do you notice about the location of the elements in each family?
13. How would you classify hydrogen? Give at least one reason.
14. Do any of the elements have similar properties? If yes, list the names of the elements and the
properties they have in common.
15. Do any of the elements have similar uses? If yes, list the names of the elements and the uses
they have in common.
Challenge: Predict the number of valence electrons for each element based on its location in the
Periodic Table of Elements. You will need to use the periodic table in your textbook.
Barium = _____
Lead = _____
Xenon = _____
Potassium = _____
Instructions: Pick four elements from the previous Periodic Table Basics Exercise and list
them below. Complete the activity cards filling in the required information.
Fill in the square with the information from
the periodic table.
Determine the number of protons, neutrons,
and electrons.
Research your element to find out who
discovered or named your element and include
the year of discovery.
Provide at least 3 uses for your element.
On a separate sheet of paper create one or
more pictures for each element that illustrate
the uses of your element.
My elements are:
1.
2.
3.
4.
A list of periodic table sites has been provided on the
Chemistry Links page of the Kid Zone!
Go to http://sciencespot.net/ and click Kid Zone!
P = _____ N = _____ E = _____
P = _____ N = _____ E = _____
Discovered in __________ by
Discovered in __________ by
__________________________
__________________________
Important Uses:
Important Uses:
P = _____ N = _____ E = _____
P = _____ N = _____ E = _____
Discovered in __________ by
Discovered in __________ by
__________________________
__________________________
Important Uses:
Important Uses:
Element Baby Book
In this project you will adopt an element from the periodic table. The element that you
choose must have an atomic number from 1 – 18.
As a proud parent of your element you will create a baby book to remember each
stage of your element’s life.
Sources of Information:
Websites to help you in your search (I will provide these.)
The periodic table in your book will give you some information.
Encyclopedias
Requirements:
(Check each one as you complete it.)
_____Cover page – 3 points
Name of element and your name
Decorative cover
_____35 points! This should be written in paragraph form.
Name of element (Give your element a first name)
Nickname of element (Symbol)
Birth date (date element was discovered)
Birth weight (atomic mass)
Birth height (atomic number)
Race (type of element)
Attending physician (Discoverer)
Gender (state of matter at room temperature)
Place of birth (country of discovery)
Personality (emotions: boiling point and melting point)
_____5 points
Pronunciation guide like in the dictionary (chemistry = kim-is-tree)
_____15 points Create and fill out a birth certificate and have your parents sign it
_
_____ 10 points
Picture of element showing
# of protons
# of neutrons
# of electrons
Atomic number
_____ 5 p oints
Poem about element
_____ 15 points Draw picture of all family members
Family Name (family or group)
Address (period + discoverer’s last name + drive, lane, circle,
court, road, or way)
Brothers and Sisters (Names of family members)
_____10 points
Career of element (what your element will become when grows up)
Picture of career
Complete ALL requirements!
Be creative!
Be neat!
Use color!
Punctuation, capitalization, spelling, and grammar must be accurate!
Do your
Created by Lisa Curry - 2003
Element Baby Book
Research:
1. Name of element:________________________________________
2. Element symbol:__________________________________________
3. Atomic number:__________________________________________
4. Atomic mass:____________________________________________
5. # of protons:____________________________________________
6. # of electrons:__________________________________________
7. # of neutrons:___________________________________________
8. Date of discovery:________________________________________
9. Discoverer:______________________________________________
10. Country of Discovery:____________________________________
11. Boiling Point:___________________________________________
12. Melting Point:__________________________________________
13. State of matter:_______________________________________
14. Family name:___________________________________________
15. Names of family members:________________________________
16. Period (Address):_______________________________________
17. Uses for element (career):________________________________
18. Type of element:_______________________________________
WEBSITES:
http://pearl1.lanl.gov/periodic/default.htm
http://www.mii.org/periodic/MIIperiodicChart.html
http://www.bayerus.com/msms/fun/pages/periodic/index.html
http://education.jlab.org/itselemental/index.html
Created by Lisa Curry - 2003
Adopt An Element
Name ____________________________________
Fact Sheet
Element ___________________________
Symbol
Atomic Number
Atomic Mass
______________
______________
______________
# of Protons
# of Neutrons
# of Electrons
______________
______________
______________
Melting Point
Boiling Point
Normal Phase
oC
______________
oC
______________
______________
Cost = __________ for __________
Classification:
❍ Nonmetal
❍ Metal
❍ Metalloid
My element belongs to the ___________________________ family.
Origin of Name ____________________________________________________________________
Discovered by __________________________________________________________ in ________
Interesting Info:
1.
2.
3.
4.
5.
6.
May include important uses, interesting facts, common compounds, etc.
The Periodic Table
Follow the directions below to complete the periodic table:
1. Label each group and period with the appropriate numbers. 2. Fill in the elements for Groups 1, 2, 13, 14, 15, 16, 17, and 18 and provide
the names for each family, for example alkaline earth, noble gases, etc (see pg 513-514, 522 – 525 in your textbook) . List the number of
valence electrons for each group. 4. Color code the table showing the metals, nonmetals, and metalloids. 5. At the bottom of the table list the
properties of metals and nonmetals. **Be sure to include a key/legend.
Periodic Table Puzzle
Name ____________________
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
CLUES:
Down:
1. I have 26 protons.
3. I am not really an alkali metal, but since I have
only 1 electron I behave like them.
4. I am a metal with 28 electrons.
7. I am a member of the boron family and am the
most abundant metal in the Earth’s crust.
8. I am a gas with 8 protons and 8 neutrons.
10. I am a member of the carbon family often
mistaken for the end of your pencil.
12. I am a metal that is liquid at room temperature.
14. My atomic number is 47 and I am used to make
photographic film.
15. I have 20 neutrons and am found in your teeth
and bones.
16. I am a member of the nitrogen family with
16 neutrons.
18. I am a gas with a mass number of 19.
19. I am the first element in the fourth period used
in making fertilizer.
22. You can find me in the carbon family in the
fifth period.
25
Across:
2. My atomic mass is 35.453.
5. I have 2 electrons in the first shell, 8 in the
second shell, and 6 in the third shell.
6. I am the head of the carbon family known as the
“basis of life”.
9. My atomic number is 79.
11. I am a transition metal with 25 electrons.
13. I make up 78% of the air and am found in the
15th group.
14. I am a silvery white metal used to make salt.
17. I am a member of the alkaline earth metals used
to make fireworks and medicines.
20. I am a noble gas with 2 electrons.
21. I am the 2nd most abundant element in the
Earth’s crust and have 14 neutrons.
23. I am a member of the halide family with an
atomic number of 53.
24. I am a transition metal with 30 electrons useful
in making paint.
25. I am the only element in the halide family that is
a liquid.