AY 2425 S3 meets the elements

​MEETS THE ELEMENTS

​DEVELOPMENT OF ATOMS

Open Ended

define atom

Match

Match the following

all about elements

• definition of element

• how many elements are in periodic table

• how many elements are occurred naturally

• name the element that is liquid at room temperature and pressure

substance that contains of one type of atom

118 elements

92 elements

bromine and mercury

• substance that contains of one type of atom

• 118 elements

• 92 elements

• bromine and mercury

Match

Match the following

elements and its symbol

• hydrogen

• helium

• beryllium

• boron

• carbon

H

He

Be

B

C

• H

• He

• Be

• B

• C

Match

Match the following

elements and its symbol

• nitrogen

• neon

• nickel

• Niobium

• neodymium

N

Ne

Ni

Nb

Nd

• N

• Ne

• Ni

• Nb

• Nd

Match

Match the following

elements and its symbol

• aluminium

• argon

• antimony

• arsenic

• astatine

Al

Ar

Sb

As

A

• Al

• Ar

• Sb

• As

• A

Match

Match the following

elements and its symbol

• carbon

• chlorine

• caesium

• calcium

• chromium

C

Cl

Cs

Ca

Cr

• C

• Cl

• Cs

• Ca

• Cr

Match

Match the following

elements and its symbol

• cobalt

• copper

• fluorine

• gold

• silver

Co

Cu

F

Au

Ag

• Co

• Cu

• F

• Au

• Ag

Match

Match the following

elements and its symbol

• iodine

• tungsten

• iron

• zinc

• sulfur

I

W

Fe

Zn

S

• I

• W

• Fe

• Zn

• S

Match

Match the following

elements and its symbol

• sodium

• potassium

• platinum

• phosphorus

• oxygen

Na

K

Pt

P

S

• Na

• K

• Pt

• P

• S

PERIODIC TABLE OF ELEMENTS

Drag and Drop

Rows in the periodic table are called

Placeholder

Columns in the periodic table are called ​

Placeholder

Drag these tiles and drop them in the correct blank above

period

group

periodic table

elements

compounds

mixture]

Multiple Choice

Elements in the periodic table are sorted by:

• Increasing atomic number

• Increasing atomic mass

• Alphabetical order

• Increasing number of valence electrons

Multiple Choice

The atomic mass in the periodic table is

• The atomic mass of the most common isotope

• The averaged atomic mass of isotopes

• The atomic mass of the first discovered atom of the element

• All of the answers

Drag and Drop

The group of the element in the periodic table gives us the ​

Placeholder

.

The period of the element in the periodic table gives us the ​

Placeholder

Drag these tiles and drop them in the correct blank above

number of valence electrons

number of energy levels

number of protons

number of electrons

number of isotopes

Multiple Choice

The family colored in the picture is:

• Alkali metals

• Alkaline Earth Metals

• Transition metals

• Noble gases

• Halogens

Match

Match the following

• Metals

• Metalloids

• Nonmetals

Yellow

Green

Pink

• Yellow

• Green

• Pink

Open Ended

write the difference of compounds and mixture