Periodic Table Flashcards

1
Q

What is an element

A

An element is a substance made up on only 1 atom

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2
Q

What is a compound

A

A compound is made up of 2 elements chemically bonded together

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3
Q

What is group 1 on the periodic table called

A

Alkali metals

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4
Q

What is group 7 called

A

Halogens

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5
Q

What is group 8 called

A

Noble gases

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6
Q

What is the middle group of elements called

A

Transition metals

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7
Q

What elements are in group 1

A

Lithium, potassium, sodium, francium, rubidium and caesium

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8
Q

What are the physical properties of the alkali metals

A
  • soft metals
  • low boiling points
  • easy to cut
  • dull metal
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9
Q

How reactive are the alkali metals in water

A

They are the most reactive metals and the reactivity increases as you go down the group

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10
Q

How are the alkali metals stored and why are they stored like this

A

They are stored in oil as they react to both water and oxygen

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11
Q

Why are they called the ‘alkali metals’

A

All of the metals form metal hydroxide that turns the mineral indicator blue which is an alkali colour

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12
Q

What is the reactivity of the halogens

A

They are the most reactive non metals
The reactivity decreases as you go down the group

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13
Q

What is the reactivity of the noble gases

A

They are unreactive

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14
Q

Why are elements placed in the same groups

A

They have similar chemical properties

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