sim g7 by lorena g. dizon

8/13/2019 SIM G7 by Lorena G. Dizon

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OBJECTIVES

1.Describe some information about the elements that may

be found in the periodic table.

2.Name the element and write its symbol.

3.State how elements are derived.

4.Appreciate the importance of knowing the symbols and

names of elements.

INTRODUCTION

With all the different substances that exist, you may be

surprised to learn that they are formed from a relatively small

number of elements. For example, carbon is one of 112 known

elements. Yet carbon can combine with other elements (like

hydrogen and oxygen) to form thousands of substances (like

sugar, alcohol, and plastics). Although some elements have

been known from the earliest times, most were discovered

during the last 300 years.

Each element is unique with its own characteristics. Each

element is represented conveniently by a symbol. For

example: H is for hydrogen, O for oxygen, and Cl for chlorine.


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GUIDE CARD

There are 118 elements. Each element has different setof properties. No two elements have the same set of

properties. Having 118 elements is quite a big number!

Thanks to the works of our early scientists, they were able to

systematically organize all of the 118 elements in what we

call the periodic table of elements or sometimes simply

referred as periodic table.

ThePeriodic Tableis a chart which arranges the chemical

elements in a useful, logical manner. Elements are listed in

order of increasing atomic number, lined up so that

elements which exhibit similar properties are arranged in

the same row or column as each other.
http://chemistry.about.com/library/blperiodictable.htmhttp://chemistry.about.com/library/blperiodictable.htmhttp://chemistry.about.com/library/blperiodictable.htmhttp://chemistry.about.com/library/blperiodictable.htm


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Amazingly, they were able to logically arrange the

elements in the table enabling one to have an idea of theproperties of several elements by knowing other elements

related to them. This means that there is no need tomemorize the periodic table but it is an advantage to be

familiar with it.

Thus, in the next activity,you will accustom yourself

with the periodic table.


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ACTIVITY CARD 3

JUM LED Letter ElementsDirection:Use the clues provided to find the correct name of the given

element.

1. I S U M M O _________________

Clue:This element is used to make alloys that are

found in ball point, pens, fountain pen tips

and record players needles.

2. O N D R A _________________

Clue:At room temperature, this element is a

colorless, odorless and radioactive gas.

3. E V E M D M U N I L E _______________

Clue:All atoms of this element contain 101

protons.

4. E P R O P C ___________________

Clue:This elements chemical symbol is Cu.

5. I T I N M A T U __________________

Clue:This elements chemical symbol is Ti.


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ACTIVITY CARD 1

ELEMENT FL SH C RDDIRECTION: Name that Element!

A. What is this element's chemical name?

1. 20

______________________________

2. 2

_______________________________

3. 11

________________________________

4. 30

_______________________________

5. 18

___________________


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B.What are this elements chemical symbols?

1. Americium ____

2. Xenon _____

3. Iridium ____

4. Gadolinium ____

5. Astatine ____

Did you get all correctly?

If yes, very good! If not,

try to review your answers

before you go to the next.


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ACTIVITY CARD 4

Direction:Use the clues provided to solve each crossword puzzle

1

2

3 4

5 6 7 8

9

10

A. Across Symbols:

2. This elements chemical symbol is He.3. This elements chemical symbol is N.

6. This elements chemical symbol is C.

9. This elements chemical symbol is I

10. This elements chemical symbol is U


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B.Down Symbols:

1. This elements chemical symbol is Li.

4. This elements chemical symbol is Ne.

5. This elements chemical symbol is Al.

7. This elements chemical symbol is Ar.

8. This elements chemical symbols is O

Compare your answers with the Answer

Key. Did you get all the answer correctly?

If yes, you did a great job.


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ASSESSMENT CARD

Direction:Choose the letter of the correct answer and write

it on the space provided.

1.How many known elements are there?

a.10 c. 100

b.50 d. 2002.Elements in the periodic table are arranged by__.

a.Atomic Number c. Number of Neutrons

b.Atomic weight d. Chemical reactivity

3.Which of these things will you NOT find in the periodic

table on the wall?

a.Element name and symbols

b.Atomic weightc.Atomic orbital radius

d.Atomic number

4.Which scientist came up with the concept of a periodic

table that included all of the known elements?

a.Jason Priestly c. Antoine Lavoisier

b.Dmitri Mendeleev d. Albert Einstein

5.Rows in the periodic table are called periods.a.True b. False


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6.Which of these choices is NOT a family of elements?

a.Halogen c. Inert Gas

b.Metal d. All are groups of elements.

7.The atomic number of an element tells you the number

of _____ in a neutral atom.

a.Positrons c. Electrons

b.Neutrons d. None of the above

8.The columns of the periodic table are called groups.

a.True b. False

9.You will find metals on the right side of the periodic

table.

a.True b. False

10. Although the order of elements is based on atomicnumber, vertical families share similar chemical properties.

a.True c. False

Did you get all correctly? If yes,very good


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ENRICHMENT CARD

Direction:Can you identify the elements based on how they look? The picture

may contain additional clues about an element's identity.

1. This one is intended to be a confidence builder. These are

diamonds. Diamonds are pure:

(a) Boron (c) Iron

(b) Carbon (d) Nitrogen

2. This yellow element is a component of gunpowder.

(a) Chlorine (c) Gold

(b) Copper (d) Sulfur
http://0.tqn.com/d/chemistry/1/0/6/R/sulfur1.jpghttp://0.tqn.com/d/chemistry/1/0/n/P/diamonds.jpghttp://0.tqn.com/d/chemistry/1/0/6/R/sulfur1.jpghttp://0.tqn.com/d/chemistry/1/0/n/P/diamonds.jpghttp://0.tqn.com/d/chemistry/1/0/6/R/sulfur1.jpghttp://0.tqn.com/d/chemistry/1/0/n/P/diamonds.jpg


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3. This metallic element looks much like many others. The big clue for

this metal's identity is clue for this metal's identity is how it is being

used. This element is:

(a) Silicon (c) Iron

(b) Titanium (d) Beryllium

4. This metallic element is a liquid at room temperature. It is:

(a) Mercury (c) Iron

(b) Lead (d) Bromide

5 This yellowish metal occurs in its pure form, but it is usually

encountered as an alloy. The element is:

(a) Platinum (c) Gold

(b) Indium (d) Copper
http://0.tqn.com/d/chemistry/1/0/r/8/1/1Gold-crystals.jpghttp://0.tqn.com/d/chemistry/1/0/f/9/1/liquidmercury.jpghttp://0.tqn.com/d/chemistry/1/0/l/Q/lead.jpghttp://0.tqn.com/d/chemistry/1/0/r/8/1/1Gold-crystals.jpghttp://0.tqn.com/d/chemistry/1/0/f/9/1/liquidmercury.jpghttp://0.tqn.com/d/chemistry/1/0/l/Q/lead.jpghttp://0.tqn.com/d/chemistry/1/0/r/8/1/1Gold-crystals.jpghttp://0.tqn.com/d/chemistry/1/0/f/9/1/liquidmercury.jpghttp://0.tqn.com/d/chemistry/1/0/l/Q/lead.jpg


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AGREEMENT CARD

Direction:Give the chemical name of some elements whose

symbol is written in blue color.

Periodic Table Game

Group 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

Period

11H

2He

23Li

4Be

5B

6C

7N

8O

9F

10Ne

311Na

12Mg

13Al

14Si

15P

16S

17Cl

18Ar

419

K

20

Ca

21

Sc

22

Ti

23

V

24

Cr

25

Mn

26

Fe

27

Co

28

Ni

29

Cu

30

Zn

31

Ga

32

Ge

33

As

34

Se

35

Br

36

Kr

537Rb

38Sr

39Y

40Zr

41Nb

42Mo

43Tc

44Ru

45Rh

46Pd

47Ag

48Cd

49In

50Sn

51Sb

52Te

53I

54Xe

6 55Cs

56Ba

* 71Lu

72Hf

73Ta

74W

75Re

76Os

77Ir

78Pt

79Au

80Hg

81Tl

82Pb

83Bi

84Po

85At

86Rn

787Fr

88Ra

**103Lr

104Rf

105Db

106Sg

107Bh

108Hs

109Mt

*lanthanides57La

58Ce

59Pr

60Nd

61Pm

62Sm

63Eu

64Gd

65Tb

66Dy

67Ho

68Er

69Tm

70Yb

**actinides89

Ac

90

Th

91

Pa

92

U

93

Np

94

Pu

95

Am

96

Cm

97

Bk

98

Cf

99

Es

100

Fm

101

Md

102

No
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18/26

REFERENCE CARD

ThePeriodic Tableis a chart which arranges the chemical elements in a

useful, logical manner. Elements are listed in order of increasing atomic

number, lined up so that elements which exhibit similar properties are

arranged in the same row or column as each other. The Periodic Table is one

of the most useful tools of chemistry and the other sciences. Here are 10 fun

and interesting Periodic Table facts:

1. WhileDmitri Mendeleevis most often cited as the inventor of the

modern periodic table, his table was just the first to gain scientific

credibility, andnot the first tablethat organized the elements

according to periodic properties.

2. There are90 elementson the periodic table that occur in nature. All of

the other elements are strictly man-made.3. Technetiumwas the first element to be made artificially.

4. The International Union of Pure Applied Chemistry, IUPAC, revises the

periodic table as new data becomes available. At the time of this

writing, the most recent version of the periodic table was approved 19

February 2010.

5. The rows of the periodic table are called periods. An element's periodnumber is the highest unexcited energy level for an electron of that

element.
http://chemistry.about.com/library/blperiodictable.htmhttp://chemistry.about.com/library/blperiodictable.htmhttp://chemistry.about.com/od/famouschemists/p/mendeleevbio.htmhttp://chemistry.about.com/od/famouschemists/p/mendeleevbio.htmhttp://chemistry.about.com/od/famouschemists/p/mendeleevbio.htmhttp://chemistry.about.com/od/periodictableelements/f/who-invented-the-periodic-table.htmhttp://chemistry.about.com/od/periodictableelements/f/who-invented-the-periodic-table.htmhttp://chemistry.about.com/od/periodictableelements/f/who-invented-the-periodic-table.htmhttp://chemistry.about.com/od/elementfaqs/f/How-Many-Elements-Are-Found-In-Nature.htmhttp://chemistry.about.com/od/elementfaqs/f/How-Many-Elements-Are-Found-In-Nature.htmhttp://chemistry.about.com/od/elementfacts/a/technetium.htmhttp://chemistry.about.com/od/elementfacts/a/technetium.htmhttp://chemistry.about.com/od/elementfaqs/f/How-Many-Elements-Are-Found-In-Nature.htmhttp://chemistry.about.com/od/periodictableelements/f/who-invented-the-periodic-table.htmhttp://chemistry.about.com/od/famouschemists/p/mendeleevbio.htmhttp://chemistry.about.com/library/blperiodictable.htm


19/26

6. Columns of elements help to distinguish groupsin the periodic table.

Elements within a group share several common properties and often havethe same outer electron arrangement.

7. Most of the elements on the periodic table are metals. The alkali

metals, alkaline earths, basic metals, transition metals, lanthanides and

actinides all are groups of metals.

8. The present periodic table has room for 118 elements. Elements aren't

discovered or created in order of atomic number. Scientists are working

on creating and verifying element 120, which will change the appearanceof the table.

9. Although you might expect atoms of an element to get larger as their

atomic number increases, this does not always occur because the size of

an atom is determined by the diameter of its electron shell. In fact,

element atoms usually decrease in size as you move from left to right

across a row or period.

10.The main difference between the modern periodic table and Mendeleev's

periodic table is that Mendeleev's table arranged the elements in order ofincreasing atomic weight while the modern table orders the elements by

increasing atomic number.

Read moreIntegrated Science and Technology by Aurora

Alarcon LiankoUP NISMED: Teachers and Students Modular for

Grade


20/26

ANSWER CARD

HOW WELL DID YOU SCORE?ACTIVITY NO 1

A B ACTIVITY NO 2

1.Calcium 1.Am 1. Helium : He

2.Helium 2. Xe 2. Radium : Ra

3.Sodium 3. Ir 3. Tantalum: Ta

4.Zinc 4. Gd 4. Curium: Cm

5.Argon 5. At 5. Einsteinium: Es

ACTIVITY NO 3 ACTIVITY NO 4

1. Osmium 1. Lithium 6. Carbon

2. Radon 2. Helium 7. Argon

3. Mendelevium 3. Nickel 8. Oxygen

4. Copper 4. Neon 9. Iodine

5. Titanium 5. Argon 10. Uranium


21/26

ACTIVITY NO 5

1. Aluminum

2. Silver

3. Lead

4. Calcium

5. Sulfur

ASSESSMENT CARD ENRICHMENT CARD

1. C 6. D 1. B

2. A 7. C 2. D

3. C 8. A 3. C

4. B 9. B 4. A

5. A 10. A 5. D


22/26

ACTIVITY CARD 2

Chemical Elements: Origins of Names

Direction: Identify the name and symbols of the following elements.1. From the Greek word "Helios" - the Sun. In 1868 during an eclipse

of the Sun, Scientists observed a spectral line caused by an unknown

element. Twenty seven years later in 1895, the element was

discovered on Earth._____________________ ________

Name Symbol

2. From the Latin word "radius" which means "ray of light". It was

discovered in 1898 by Pierre and Marie Curie. It gives out invisibleand dangerous radiation ie. it is radioactive. When concentrated,

radium glows in the dark.

_______________________ ________

Name Symbol

3. Named after the Greek mythological king, Tantalus. It was

discovered in 1802 and great difficulties were encountered in

dissolving its oxide in acid to form salts. It proved to be a

tantalizing problem!

_______________________ ________

Name Symbol

4. Made in 1944 at Chicago. It was named in honour of Marie and

Pierre Curie.

_______________________ ________

Name Symbol

5. Made in 1952 at the University of California. It was named in honour

of Albert Einstein._______________________ ________

Name Symbol


23/26

ACTIVITY CARD 5Common Uses &/or Descriptions.

Direction: Choose the correct letter and place it inside the box.

1. A light metal used in making airplanes, buildings, pots and pans and

other.

a. Aluminun c. Gallium

b. Gold d. Neon

2. Used in tableware, jewelry, photography, medicines, and coins.a. Lead c. Gold

b. Silver d. Copper

3. A metal used in automobile batteries and in fishing and diving

weights.

a. Iron c. Mercury

b. Nickel d. Lead

4. A soft, metallic chemical element found in limestone, marble,

chalk.

a. Calcium c. Chlorine

b. Sulfur d. Boron

5. Used to make sulfuric acid and some medicines such as pet

powders.

a. Potassium c. Magnesium

b. Sulfur d. Sodium


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sim g7 by lorena g. dizon

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