Brainscape's Knowledge GenomeTM

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


See full index

Chemistry > Chemistry of the Elements > Flashcards

Chemistry of the Elements Flashcards

You may prefer our related Brainscape-certified flashcards:
Periodic Table flashcards Chemistry 101 flashcards AP® Chemistry flashcards Organic Chemistry 101 flashcards
0
Q

Period

A

Row of elements across the table

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

Group

A

Is a column of elements (going down)

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

Left of the periodic table is…..

A

METALS

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

The right of the table is…

A

NON-METALS

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

Metal properties

A
  • conduct electricity

* metal oxides are BASIC

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

Non - metals properties

A
  • do not conduct electricity

* non-metal oxides are ACIDIC

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

Elements in the same group have…

A

Similar chemical properties

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

Elements in the same group have …

A

The same number of electrons in their outer shell

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

Chemical properties are determined by the number of…….

A

Electrons in the outer shell

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

Noble gasses

A
  • group 0
  • are all inert/unreactive
  • have full outer shells of electrons
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

REACTION OF GP1 METAL + WATER:

Lithium

A
  • floats
  • fizzes + colourless gas
  • solid disappears
  • colourless solution forms
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

REACTION OF GP1 METAL + WATER:

Sodium

A
  • floats
  • skates around surface
  • melts into a ball
  • solid disappears
  • fizzes + colourless gas
  • colourless solution forms
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

REACTION OF GP1 METAL + WATER:

Potassium

A
  • floats
  • ignites on contact + burns with lilac flame
  • skates around
  • solid disappears (melts into a ball)
  • colourless solution forms
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Group 1 + water =

Metal

A

Metal + hydrogen

Hydroxide

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

Reactivity of gr1 elements INCREASES as you go …… The …….. .

A

Down the group.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What colour is CHLORINE and it’s physical state?

A

GREEN and GAS.

16
Q

What colour is BROMINE and it’s physical state?

A

RED/BROWN and LIQUID.

17
Q

What colour is IODINE and it’s physical state?

A

GREY had SOLID.

18
Q

Hydrogen chloride - simple molecular covalent GAS. What does hydrogen chloride become in WATER?

A

Hydrochloric acid (aq).

19
Q

When hydrogen chloride is dissolved in water it becomes DISSOCIATED INTO IONS

A

HCL(g) + H2O = HCL(aq) ~ H+(aq) + Cl-(aq)

20
Q

Reactivity increases …. The group

A

Up the group

21
Q

Oxidation Is the …… of electrons

A

Loss

22
Q

Reduction Is the …… of electrons

A

Gain

23
Q

Half equation for reduction

A

Cl2 + 2e- = 2Cl-

24
Q

Half equation for oxidation

A

2Br- = Br2 + 2e-

25
Q

RUSTING of IRON: experiment

(iron wool)

A

Test tube upside down in beaker of water with 2 elastic bands - 1 shows the starting position of the water as the second shows the position over a period of time after water level rises and you determine the volume with water in tube to each level and pour into measuring cilinder.

26
Q

METAL CARBONATES DECOMPOSE ON HEATING TO PRODUCE CARBON DIOXIDE

A

Copper = Copper oxide + carbon dio

Carbonate

27
Q

What’s the equation for the preparation of carbon dioxide

A

Calcium + Hydrochloric=calcium
Carbonate Acid. Chloride

+water +carbon dioxide

28
Q

What are the properties of co2?

A
  • colourless, odourless
  • more dense than air
  • slightly soluble in water
29
Q

What are the uses of carbon dioxide?

A
  • carbonating drinks (fizzy drinks)

* fire extinguisher

30
Q

What’s the equation for the preparation of hydrogen?

A

Acid + metal = salt + hydrogen

31
Q

Hydrogen burns to form water. What is the equation for the COMBUSTION OF HYDROGEN?

A

2H2 + O2 = 2H2O

32
Q

CHEMICAL TEST FOR WATER:

A

Anhydrous copper sulphate

(WHITE powder) turns BLUE

33
Q

What is the CHEMICAL equation for the chemical test for WATER?

A

CuSO4 + H2O = CuSO4.5H2O

34
Q 
TESTS FOR ANIONS: 
Halide test (Cl-,Br-,I-)
A 
To a solution of the halide add DILUTE NITRIC ACID and then SILVER NITRATE SOLUTION.
Results:
Chloride Cl- ~ white precip
Bromide Br- ~ cream precip
Iodide I- ~ yellow precip
35
Q 
TESTS FOR ANIONS: 
Sulphate test (SO4 2-)
A

To a solution of the unknown SULPHATE add dilute HYDROCHLORIC ACID followed by BARIUM CHLORIDE SOLUTION .
Results:
Sulphate ion, SO4 2- ~ white precip

36
Q 
TESTS FOR ANIONS: 
Carbonate test (CO3 2-)
A

To unknown carbonate add DILUTE HYDROCHLORIC ACID and test any gas involved by bubbling through lime water
Results:
Carbonate CO3 2-

Chemistry (15 decks)

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