Science Rotation Test Revision Cards

  • Created by: L_o_L
  • Created on: 06-02-23 18:19

What is an atom?

The smallest building block of a physical substance

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How many different types of atom are there?

118 unique atoms

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What is the periodic table?

A table that contains all known atoms/elements

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What is an element?

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

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What is a compound?

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

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What is a molecule?

Two or more atoms bonded together

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What is meant by the chemical symbol of an eleme

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

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What are the common chemical symbols to remember

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

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What elements are most common in the Earth’s cru

Oxygen, Iron, Aluminium, Silicon, Calcium

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What is meant by abundance?

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

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What are the key properties of metals?

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

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What are the key properties of non-metals?

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

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How are metals and non- metals arranged in the pe

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.

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What is a compound?

 Physical substances made when two or more different elements bond together

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Why can compounds form?

Thermal energy allows for bonds to be formed between atoms

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What are the names and symbols of common compoun

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

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How do you write the symbols for compounds?

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

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What is a chemical reaction?

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

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What are the key observations for a chemical rea

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

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U are done


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