Periodic table
Common elements
Metal and non-metal properties
Composition of air
Composition of air 2
100

What do we call as a period in periodic table?

Bonus (+ 200) how many periods are there?

Period is a horizontal line

There are 7 periods

100

What are the symbols for the following elements? 

Hydrogen, helium

H, He

100

Give 2 metal properties

Shiny when polished, High melting point 

100

What is the second most common gas in air?

Oxygen

100

What is the most common gas in the air? 

Bonus (+200): Where is it used? 

Nitrogen

It used in chemistry and industry 

200

What do we call as a group in the periodic table?

Bonus (+100): How many groups are there?

Group is a vertical column 

There are 18 groups

200

Name the following elements: 

O, N

Oxygen, Nitrogen

200

Give 2 non-metal properties

Not shiny, Low melting point

200

Give the main way how water vapor gets into air

Water evaporating from the surface of the ocean 

200

Name two element gases in air.

Oxygen, Nitrogen

300

How to identify a metal from its position on the periodic table?

Bonus (+200) draw the line that splits the periodic table on metals and non-metals.

Metals are at the left, non-metals at the right

300

What are the symbols for the following elements?

Calcium, Carbon

Ca, C

300

Which element is suitable to make the cable from it?

Bonus (+200): Give two properties that make this element suitable

Copper, Aluminium

Good conductor of electricity, Ductile

300

Give the chemical formula of carbon dioxide

CO2

300

Define the air

Air is the mixture of gases

400

Name the elements in the first period.

H, He

400

Name the following elements: 

Mg, Si

Magnesium, Silicon 

400

Name 3 metal and 2 non-metal elements:

Iron, gold, silver

sulfur, hydrogen

400

What gas we inhale more than inhale?

Explain your answer

Oxygen 

We inhale oxygen and exhale carbon dioxide 

400

What is the usage of the following gases: 

oxygen, carbon dioxide 

(+100) argon

filling diver cylinders, fizzy drinks

filling bulbs

500

How do we call elements in group 18?

Bonus (+300): Name 5 of these elements

Noble gases

Neon, argon, helium, xenon, krypton

500

Give the symbol or name for the following elements:

Iron, Al, S, Copper, Zinc

Fe, Aluminium, Sulfur, Cu, Zn

500

Name 5 metal properties of metal elements and 4 properties of non-metal

Bonus (+200) Explain each of these properties:

Metal: shiny when polished, malleable, ductile, high melting point, good conductor of heat and electricity

Non-metal: Not shiny, low melting point, brittle, insulator

500

Name the gases that make up air and their percentage

Nitrogen: 78%

Oxygen: 21%

Argon: 0.9%

Other gases, including carbon dioxide - 0.1%

500

Name two compound gases in air

carbon dioxide, water vapor

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