Science Rotation Test Revision Cards

The smallest building block of a physical substance

118 unique atoms

A table that contains all known atoms/elements

A physical substance that is made up of one type of atom

 A physical substance that is made up of two or more different types of atoms

Two or more atoms bonded together

 A symbol which represents an element on the periodic table. A symbol always starts with a capital letter

 Carbon (C), Oxygen (O), Nitrogen (N), Chlorine (Cl), Calcium (Ca), Sodium (Na), Magnesium (Mg), Hydrogen (H), Aluminium (Al), Iron (Fe)

Oxygen, Iron, Aluminium, Silicon, Calcium

How much there is of a particular physical substance (%)P

Flexible solids, Shiny, Good conductors of heat, Good conductors of electricity, Solid at room temperature

Brittle, Inflexible, Some are gases, Poor conductors of heat, Poor conductors of electricity, Dull in appearance

How are metals and non-  metals arranged in the  periodic table? Metals are found on the lefthand side of the periodic table and extend upto Boron’s steps.

 Physical substances made when two or more different elements bond together

Thermal energy allows for bonds to be formed between atoms

Water (H2O), Carbon dioxide (CO2), Carbon monoxide (CO), Sodium Chloride (NaCl), Hydrochloric acid (HCl), Methane (CH4)

Write down the Symbol for each element in the substance and how many atoms there are in the substance.

 A chemical reaction is where two or more substances bond together to produce a new substance

Colour change, odour, temperature change, flame, fizzing (bubbling)

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