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Chemistry - Term 1 > The Periodic Table - Intro to Back to Basics (1.3) > Flashcards

The Periodic Table - Intro to Back to Basics (1.3) Flashcards

1
Q

Where are the metals found in the periodic table?

A

On the left

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2
Q

Where are the non-metals found in the periodic table?

A

On the right

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3
Q

Where are the metalloids found?

A

In the middle

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4
Q

What are the properties of metalloids?

A

Metalloids have the properties of both metals & non-metals

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5
Q

Are there any trends in properties of elements in a period?

A

Elements in a period have gradually different properties

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6
Q

What do elements in a group have in common? How does this affect their properties?

A
  • They all have the same number of outer electrons

- This means they have similar chemical properties

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7
Q

What is another name for group 1 elements?

A

Alkali metals

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8
Q

What is another name for group 2 elements?

A

Alkali earth metals

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9
Q

What is another name for group 7 elements?

A

Halogens

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10
Q

What is another name for group 8 elements?

A

Noble gases

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11
Q

Describe the properties of G1 & G2 metals

A
  • They are all soft silvery metals
  • They are highly reactive
  • They react with water to form an alkaline solution & hydrogen
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12
Q

What solutions do metal hydroxides dissolved in water give?

A

Alkaline solution

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13
Q

What is the trend in reactivity with water in G1?

A

They get more reactive

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14
Q

Describe the properties of transition metals

A
  • They are denser & less reactive than G1 & G2 metals
  • They often form coloured compounds
  • They can be used as catalysts
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15
Q

Describe the properties of halogens

A
  • They form diatomic molecules
  • Their colours get darker down the group
  • Their boiling points increase down the group
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16
Q

Describe the appearance of Fluorine

A

Pale yellow gas

17
Q

Describe the appearance of Chlorine

A

Yellow-green gas

18
Q

Describe the appearance of Bromine

A

Red-brown liquid

19
Q

Describe the appearance of Iodine

A

Blueish-black solid

20
Q

Describe the properties & uses of noble gases

A
  • Very unreactive
  • They exist as single atoms, not molecules
  • Often used in advertising lights
21
Q

Why are noble gases very unreactive?

A

Because they have a full outer shell of electrons

Chemistry - Term 1 (34 decks)

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