Science has come a long way since Greek theory of

the elements, the water, fire, earth and water

GROUPS Vertical Columns

Elements in each group have the same num-

ber of electrons in the outer orbital shell

(outer electrons are also called valence

electrons).

Every element in the first column (group 1)

have one electron in its outer shell while on

the other hand, the second column (group2)

have two electrons in its outer shell. As you

keep moving from one column to another the

electron gets higher.

PERIODS Rows in the periodic table of elements.

All of the elements in a period have the

same number of atomic orbitals. (maximum

7 orbitals)

FAMILIES Each of the elements in the Periodic Table can be

divided into one of nine groups. These groups

share many similar properties; both chemical and

physical.

NOBLE GASES

HALOGENS

OTHER NON-METALS

METALLOIDS

ALKALI METALS

ALKALINE EARTH METALS

LANTHANIDES

ACTINIDES

TRANSITION METALS

POST-TRANSITION METALS

The diagram show the reactivity of

the common metals.

Aluminium-*A light metal used in making airplanes, buildings, pots and

pans, etc.

Carbon-*Found in coal, oil, gas, living

things, and inks

Iron-*A strong metal used in the construc-

tion of buildings, steel and machines

Mercury-*A heavy, poisonous, metallic liq-

uid used in some thermometers

Oxygen-*A gas necessary for respiration;

aids fires in burning

find 10 elements in the puzzle. Clues are given below.

A F D Y S T R U Q V M G H L K W R I O S

D D F G Q E W F S U O R O P S O H P S O

K H G O L B V B A N O K A H I S L B G F

A D H H K U I R E T G Y R U D S E G R Q

B D K X D S X O L K S I X A G N S I A I

C Z A D M L E L O J S V D F D Y S L S P

V Y L U P A W T L H D M X D H I T I D O

H X T Y C L A K S G T B U S J T U P W L

Y H X T B K A H S G G T S I Y S D M Q K

T Z Q S D L N T T D H O S C C D X N R J

I O W U B F K G I E Y L E V C L B I T H

P I S O H A O F I N U I W O Y V A P H V

W L W I H S E F E I U U N B N V G C Y B

S J S G O L D G O T P M W H L E E G U N

A N S X E E O R D A I Y Q G N V X H J J

D N W D W R M A W T O T S F E C N A N U

G B A Q D W H S E S L R T R S B S O B Y

G X T Y Q D G C R A I E G E T C A N V H

Z R H W S S S D L T Q T H R E V L I S G

X T E E A A D S L D E S L S S D N S S D

H

AU

AG

PT

AT

XE

BI

RA

P

CA

Decode each following and determine if it is a scientist or an element.

1. 4,15,2,5,18,5,9,14,5,18

2. 12,9,20,8,9,13

3. 20,8,15,18,9,21,13

4. 13,15,19,5,12,5,25

5. 2,15,18,15,14

unjumble the words related to the periodic table of elements

1. LVEEEEMND

2. MNTSLEE

3. DSPEOIR

4. MRYEE

5. LSIEMIAF

Answer each question by writing the given color or word of the correct answer

1. he discovered the noble gases

Color not word

William ramsay lothar meyer Dmitri Mendeleev

2. The vertical columns of the periodic table

Word not color

Groups Periods Families

3. Speed of how metals react with other substance

Word not color

Reactivity corrosion Configuration

Answer each question by writing the given color or word of the correct answer

4. Metals that share some of the characteristics of metals and non-metals

Color not word

Metalloids semi-conductors valence

5. formally made the periodic table which had been accepted and published

Color not word

Lothar meyer Dmitri Mendeleev john newlands

Determine if the given word is either element or a history .

________1. Hydrogen

————-2. Henry Moseley

________3. Noble gases

________4. Law of triads and octaves

________5. Lanthanides and actinides

KEY TO CORRECTION– WORD FINDING

S U O R O P S O H P

B

I R

S A

M D

U P M I

T L U U

H A I M

T C

I E N L

N O A

E I U N C

G O L D G T M E

O A X

R T

D S

Y A

H R E V L I S

KEY TO CORRECTION– WORD FINDING

b. Decoding

Dobereiner,scientist

Lithium,element

Thorium,element

Moseley,scientist

Boron,element

c. jumbled letters

Mendeleev

Elements

Periods

Meyer

Families

d. word not color, color not word

Green

Groups

Reactivity

Orange

Black

e. elements and histories

Element

History

Element

History

element