Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

GCSE - Chemistry > c4.1 predicting chemical reactions > Flashcards

c4.1 predicting chemical reactions Flashcards

You may prefer our related Brainscape-certified flashcards:
GCSE Geography - AQA flashcards AP® Chemistry flashcards GCSE Religious Studies - Edexcel Route B flashcards GCSE Religious Studies - Eduqas Route A flashcards GCSE Religious Studies - Edexcel Route A flashcards GCSE Religious Studies - Eduqas Route B flashcards Periodic Table flashcards Chemistry 101 flashcards Organic Chemistry 101 flashcards
1
Q

what is group 1 usually called

A

alkali metals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what do group 1 form with water

A

alkali solutions

alkali metal + water => metal hydroxide + hydrogen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

going down group 1

A
  • density increases
  • melting point decreases
  • reactivity increases
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what is group 7 called

A

the halogens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what are the physical properties of group 7

A

non-metals
brittle
poor conductors
they exist as diatomic molecules with weak IMF.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what is fluorine at RT

A

pale yellow gas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what is chlorine at RT

A

green gas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what is bromine at RT

A

an orange brown liquid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what is iodine at RT

A

shiny grey- black crystalline solid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

going down group 7

A

density increases
melting and boiling points increase
reactivity decreases going down the group

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

halogen displacement reactions

A 
a halogen can only displace a halide if it is more reactive that the halide. 
So:
Chlorine can displace Bromide and Iodide
Bromine can displace Iodide
Iodide can't displace anything
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what is group 8 called

A

the noble gases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

trends in group 8

A

they are monatomic (exist as single atoms)

very weak IMF between them

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

going down group 8…

A
  • IMF get stronger between the atoms
  • boiling points increase
  • density increases
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

typical properties of transition metals

A

shiny when cut
good conductors of electricity
strong
malleable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

compared to the alkali metals, the transition metals are..

A
  • stronger and harder
  • have higher densities
  • have higher melting points
  • also produce colourful ionic compounds
  • can form more than 1 type of ion
  • less reactive
17
Q

metal displacement reactions

A

more reactive metals can displace less reactive metals

18
Q

covalent bonds occur between

A

non-metals only

19
Q

ionic bonds occur between

A

metals and non-metals

20
Q

metals is groups 1 and 2 are…

A

more reactive than transition metals
and
become more reactive down the group

GCSE - Chemistry (33 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions