Atomic Structure Flashcards

1
Q

Element

A

is a substance that cannot be broken down into simpler substances by chemical reactions

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2
Q

Carbon

A

a solid that can have 2 forms , Grey graphite or pencil lead or the gemstone diamond
it is not a meatal

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3
Q

Sulfur

A

a yellow solid non metal

it makes gun powder

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4
Q

Iron

A

a hard silvery grey solid metallic element

it is very common and is used to make ships , cars , skyscraper ect

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5
Q

Silver

A

a bright grey solid metal use to make jewellery and ornaments

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6
Q

Gold

A

a heavy precious yellow metallic element use to make jewellery

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7
Q

Sodium

A

a soft , silver white metal element
is very reactive
is used in street lighting as it glows yellow when burnt
it is mixed with chorine to make table salt

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8
Q

Robert Boyle

A

Irish scientist

Father Of Chemistry

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9
Q

Molecule

A

is the smallest part of an element or compound that can exist on it’s own

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10
Q

Mixture

A

consists of two or more different substances mingled with each other but not chemically combined

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11
Q

Compound

A

a compound is a completely new substance with its own properties
it is formed when 2 or more elements are chemically combined
(usually by burning)

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12
Q

Examples of elements

A

Elements : hydrogen , copper , sulphur , oxygen , nitrogen

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13
Q

Examples of compounds

A

Compounds : water (H20) , carbon dioxide (CO) , sodium chloride (NaCl) , magnesium oxide (MgO)

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14
Q

Example of molecules

A

hydrogen (H2) , water (H20) , oxygen (O2) , chlorine (Cl2) , carbon dioxide (CO2)

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15
Q

Atom

A

is the smallest part of an element that still has the properties of that element

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