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Chemistry > Chapter 1 - Atoms And The Periodic Table > Flashcards

Chapter 1 - Atoms And The Periodic Table Flashcards

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1
Q

Does the reactivity increase or decrease when you go down Group 1

A

Increase

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2
Q

What are the elements in group 2 (6)

A
  1. Magnesium
  2. Barium
  3. Calcium
  4. Strontium
  5. Barium
  6. Radium
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3
Q

Does the reactivity increase or decrease going down Group 2

A

Increase

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4
Q

What are the properties of Group 2 Metals (4)

A
  • soft metals
  • silver (like group 1)
  • higher densities than group 1
  • less reactive than group 1
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5
Q

How many electrons are in the outer shell of Group 1 and 2

A

Group 1 = 1 electron

Group 2 = 2 electrons

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8
Q

What is an anion

A

Anion - an atom that gains electrons when it reacts

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9
Q

What is a Cation

A

Cation - an atom which loses an electron for the outer shell when it reacts

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10
Q

How do you test for halide ions

A
  1. Silver nitrate + dilute nitric acid added to bromine, iodine and chlorine
Chlorine = white precipitate 
Iodine = yellow precipitate 
Bromine = cream precipitate
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11
Q

How to test for transition Iron(II)+(III) and Copper

A
  • Add sodium hydroxide
Iron(II) = green solution 
Iron(III) = orange/brown solution 
Copper = blue solution
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12
Q

What is produced when group 1 metals react with water

A

A metal hydroxide and hydrogen

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13
Q

What are the properties of Halogens (6)

A
  • low boiling point
  • low melting point
  • non-metals
  • form acids when combines with hydrogen
  • very reactive
  • most reactive with group 1 metals
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16
Q

What are the different ways of separating mixtures (5)

A
  1. Filtration
  2. Crystallisation
  3. Distillation
  4. Fractional distillation
  5. Chromatography
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17
Q

What is the purpose of Fractional Distillation

A

Fractional Distillation - separates two or more liquids that have different boiling points

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18
Q

Does the reactivity increase or decrease when you go down group 7

A

Decrease

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19
Q

What is the purpose of Filtration

A

Filtration - separating an insoluble solid from a liquid

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20
Q

What are the Group 2 Metals called

A

Earth Alkaline Metals

21
Q

What is Crystallisation used for

A

Crystallisation - separates a soluble solid from a dissolved liquid

22
Q

What are the properties of the transition metals (5)

A
  • good conductors of heat and energy
  • malleable
  • ductile
  • high melting points
  • less reactive than group 1 and 2
23
Q

What is the purpose of distillation

A

Distillation - separates a liquid from a dissolved solid

24
Q

What is the purpose of Chromatography

A

Chromatography - separates two or more dissolved solids from a solution

26
Q

What are the elements in group 7 (4)

A
  1. Chlorine
  2. Bromine
  3. Iodine
  4. Fluorine
28
Q

What is a negative and positive ion

A

Negative ion - an atom that gains an electron, it results in a negative charge

Positive ion - when an atom loses an electron, it gains a positive charge

29
Q

Sing the periodic table song (6)

A
  1. Dalton - law of triads
  2. Newlands - law of octaves
  3. Mendeleev - similar properties and rising atomic weight
  4. Lord Rayleigh - Noble Gases
  5. Ernest Rutherford - atomic number
  6. Glenn Seaborg - elements 94-102
30
Q

Name all the elements in group 1 (6)

A
  1. Potassium
  2. Sodium
  3. Lithium
  4. Rubidium
  5. Caesium
  6. Francium
31
Q

What are the elements in Group 7 called

A

Halogens

32
Q

How many electrons are on the outer shell of Halogens

A

7

34
Q

Sing the Atom song

A 
John Dalton - discovered the atom 
JJ Thompson - Plum Pudding 
Ernest Rutherford - nucleus 
Niels Bohr - electron shell 
James Chadwick - electrons
40
Q

What are the properties of group 1 Metals (4)

A
  • alkaline solution when H2O added
  • soft metals
  • lower melting points
  • react with oxygen to create a metal oxide

Chemistry (12 decks)

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