What is NaOH ?
Sodium hydroxide
Are Alkanes saturated ?
Yes
Formula for Hydrochloric acid
HCl
What is the the Realtive Formula Mass (Mr) of KOH ?
K=39 O=16
56
Which element has the symbol
Ag
Atomic Number 47
Silver
Formula for Zinc chloride
ZnCl2
Which element has the symbol
Ni
Atomic Number 28
Nickel
What are the first four alkanes ?
Ethene, Propene, Butene, Pentene
Lithium ions burn with what colour flame ?
Crimson
Symbol for Nitrogen
N
Atomic number 7
What is KOH ?
Potassium hydroxide
Formula for Ethanol
C2H5OH
Formula for Iodine
I2
nitrate
NO3-
What is K2CO3 ?
Potassium carbonate
What is the the Realtive Formula Mass (Mr) of NH3 ?
N=14
17
What is Mg(OH)3 ?
Magnesium hydroxide
Formula for Carbon monoxide
CO
If the mass appears to change in a reaction what is usually happening ?
A gas is being given off or used up
What is Ar ?
Argon gas
Potassium ions burn with what colour flame ?
Lilac
Formula for Bromine gas
Br2
Symbol for Gold
Au
Atomic number 79
chloride
Cl-
Symbol for Sodium
Na
Atomic number 11
Which element has the symbol
F
Atomic Number 9
Fluorine
Name the failry reactive metals in the middle of the reactivity series
Magnesium, Carbon, Zinc, Iron (Carbon is not a metal but usually included)
Test for carbonate
produces carbon dioxide if you add dilute acid (then test gas for with limewater)
What happens to the electorns in ionic bonds
They are transfered
Formula for Carbon monoxide
CO
What is the charge on a neutron
Zero / Neutral
What is the the Realtive Formula Mass (Mr) of CO ?
28
Formula for Iron III oxide
Fe2O3
Which element has the symbol
Li
Atomic Number 3
Lithium
Symbol for Uranium
U
Atomic number 92
Formula for Nitric acid
HNO3
Symbol for Lead
Pb
Atomic number 82
What is Ca(NO3)2 ?
Calcium nitrate
Isotopes of an element have different numbers of what ?
Neutrons
Symbol for Silver
Ag
Atomic number 47
Which element has the symbol
Cs
Atomic Number 55
Caesium
What is Li2O ?
Lithium oxide
Are Alkenes saturated ?
No
What is the the Realtive Formula Mass (Mr) of MgO ?
Mg=24 O=16
40
What is the the Realtive Formula Mass (Mr) of CH4 ?
16
Symbol for Lithium
Li
Atomic number 3
What is CaCO3 ?
Calcium carbonate
What is H2 ?
Hydrogen gas
What is the charge on an electron ?
-1
What is Cl2 ?
Chlorine gas
Formula for Methane
CH4
Formula for Hydrogen gas
H2
Formula for Silver nitrate
AgNO3
Which element has the symbol
Au
Atomic Number 79
Gold
Symbol for Neon
Ne
Atomic number 10
Copper ions burn with what colour flame ?
Green
iron (II) ion
Fe2+
What is MgCl2 ?
Magnesium chloride
Symbol for Caesium
Cs
Atomic number 55
What is O2 ?
Oxygen gas
Symbol for Zinc
Zn
Atomic number 30
What is C2H5OH ?
Ethanol
Formula for Sodium oxide
Na2O
What is I2 ?
Iodine
Which element has the symbol
I
Atomic Number 53
Iodine
Formula for Sodium chloride
NaCl
What is the the Realtive Formula Mass (Mr) of NaOH ?
Na=23 O=16
40
aluminum ion
Al3+
Calcium ions burn with what colour flame ?
orange-red (brick red)
What is AgNO3 ?
Silver nitrate
Which element has the symbol
Ar
Atomic Number 18
Argon
Symbol for Copper
Cu
Atomic number 29
Formula for Oxygen gas
O2
Symbol for Tin
Sn
Atomic number 50
What colour does phenophaein go in acids and alkalis
pink in alkalis, colourless in acids
What makes an acid strong ?
It ionises completely which means all acid molecules dissociate to release H+ ions
Which element has the symbol
He
Atomic Number 2
Helium
Copper ions burn with what colour flame ?
Green
What are typical properties of an ionic compound
High melting and boilong points, solid at room temperature, dissolve easily in water,conduct electricity whe melted ot in solution
What is MgO ?
Magnesium oxide
What is the relative mass of a proton ?
1
What are the products does of the complete combusion of hydrocarbons
Water and Carbon Dioxide
Potassium ions burn with what colour flame ?
Lilac
Formula for Magnesium chloride
MgCl2
Test for Hydrogen
A lighted wooden splint makes a squeaky pop in a test tube of hydrogen
Which element has the symbol
Pb
Atomic Number 82
Lead
Which element has the symbol
Sn
Atomic Number 50
Tin
sodium ion
Na+
Formula for Aluminum oxide
Al2O3
Formula for Ammonia
NH3
Test for Oxygen
A glowing wooden splint relights in a test tube of oxygen
oxide
O2-
phosphate ion
PO43-
If a reaction gives off heat where deos the energy come from ?
The formation of bonds between atoms
Symbol for Mercury
Hg
Atomic number 80
What is HNO3 ?
Nitric Acid
What is NO2 ?
Nitrogen dioxide
acid + metal hydroxide react to give
Salt + water
What is Pb(NO3)2 ?
Lead nitrate
What is Br2 ?
Bromine gas
What is K2O ?
Potassium oxide
Which element has the symbol
Si
Atomic Number 14
Silicon
Which element has the symbol
Xe
Atomic Number 54
Xenon
What is Na2CO3 ?
sodium carbonate
What is CO ?
Carbon monoxide
Symbol for Bromine
Br
Atomic number 35
What is CaO ?
Calcium oxide
What is the the Realtive Formula Mass (Mr) of Li2O ?
Li=7
30
Formula for Sodium hydroxide
NaOH
acid + metal oxide react to give
Salt + water
Calcium ions burn with what colour flame ?
orange-red (brick red)
What is the the Realtive Formula Mass (Mr) of CH3OH ?
O=16
32
What is Na2O ?
Sodium oxide
fluoride
F-
What is NH3 ?
Ammonia
Symbol for Potassium
K
Atomic number 19
A compound of a two non-metals will have what sort of bonds ?
Covelent (Example Carbon Dioxide, Methane, Water)
What is the the Realtive Formula Mass (Mr) of NO2 ?
N=14 O=16
46
What is FeO ?
Iron II oxide
If a reaction takes in heat (endothermic) where does the heat enery go ?
Into the breaking of bonds
Isotopes of an element have the same number of what ?
Protons and Electrons
Test for sulphates
produces white prcipitate if you add a few drops of dilute HCl followed by a few drops of barium chloride solution
What colour does methyl orange go in acids and alkalis
yellow in alkalis, red in acids
Symbol for Carbon
C
Atomic number 6
Symbol for Iron
Fe
Atomic number 26
Symbol for Chlorine
Cl
Atomic number 17
Test for Iodide
Yellow precipitate if you add a few drops of dlimute nitric acid and then a few drops of silver nitrate solution
Symbol for Fluorine
F
Atomic number 9
What is Fe2O3 ?
Iron III oxide
Which element has the symbol
Zn
Atomic Number 30
Zinc
What is KNO3 ?
Potassium nitrate
Which element has the symbol
Na
Atomic Number 11
Sodium
What is Fe2O3 ?
Iron oxide
What is HNO3 ?
Nitric acid
What is the the Realtive Formula Mass (Mr) of NaCl ?
Na=13 CL=35.5
58.5
Which element has the symbol
P
Atomic Number 15
Phosphorus
Formula for Nitric Acid
HNO3
Formula for Magnesium hydroxide
Mg(OH)3
magnesium ion
Mg2+
Formula for Nitrogen dioxide
NO2
What is the the Realtive Formula Mass (Mr) of K2O ?
K=39
94
Formula for Potassium chloride
KCl
What sort of structure do ionic compounds have
Giant Lattice (giant ionic latice)
Formula for Sodium sulphate
Na2SO4
Formula for Argon gas
Ar
What is HCl ?
Hydrochloric acid
Which element has the symbol
H
Atomic Number 1
Hydrogen
Symbol for Nickel
Ni
Atomic number 28
Test for Carbon Dioxide
turns limewater (calcium hydroxide solution) cloudy white
hydroxide
OH-
Formula for Iron oxide
Fe2O3
What is Cl2 ?
Chlorine gas
Formula for Potassium phosphate
KH2PO4
Symbol for Hydrogen
H
Atomic number 1
What is the the Realtive Formula Mass (Mr) of HNO3 ?
N=14 O=16
63
Which element has the symbol
Hg
Atomic Number 80
Mercury
Give four things a rate or reaction depends on
Temperature, concentration of a solutoin or pressure in a gas, surface area of a soild, presence of a catalyst
copper(I) ion
Cu+
Symbol for Xenon
Xe
Atomic number 54
Which element has the symbol
Al
Atomic Number 13
Aluminium
iodide
I-
Formula for Iron II oxide
FeO
Formula for Lithium oxide
Li2O
Formula for Sulfuric acid
H2SO4
Which element has the symbol
Ne
Atomic Number 10
Neon
What colour does litmus go in acids and alkalis
blue in alkalis, red in acids
What is KH2PO4 ?
Potassium phosphate
Lithium ions burn with what colour flame ?
Crimson
bromide
Br-
acid + metal carbonate react to give
Salt + water + carbon dioxide
Formula for Calcium oxide
CaO
What is the the Realtive Formula Mass (Mr) of O2 ?
32
What are the first four alkanes ?
Methane, Ethane, Propane, Butane
Symbol for Iodine
I
Atomic number 53
Which element has the symbol
Cl
Atomic Number 17
Chlorine
What is SO2 ?
Sulfur dioxide
Which element has the symbol
Cu
Atomic Number 29
Copper
What is the the Realtive Formula Mass (Mr) of H2 ?
2
What is the the Realtive Formula Mass (Mr) of H2SO4 ?
S=32
98
What is Ca(OH)2 ?
Calcium hydroxide
sulphate
SO42-
What is AgCl ?
Silver chloride
Which element has the symbol
Mg
Atomic Number 12
Magnesium
Formula for Potassium oxide
K2O
Formula for Potassium carbonate
K2CO3
What is NaCl ?
Sodium chloride
What is Al2O3 ?
Aluminum oxide
Test for Chloride
White precipitate if you add a few drops of dlimute nitric acid and then a few drops of silver nitrate solution
hydrogen ion
H+
A compound of a metal and a non-metal will have what sort of bonds ?
Ionic (example NaCl)
What is CO ?
Carbon monoxide
What is KCl ?
Potassium chloride
Which element has the symbol
U
Atomic Number 92
Uranium
lithium ion
Li+
Sodium ions burn with what colour flame ?
Yellow
What is CH4 ?
Methane
Test for alkene
Turns Bromine water from orange to clear
Test for chlorine
Bleaches damp litmus paper
Which element has the symbol
Fe
Atomic Number 26
Iron
Symbol for Cobalt
Co
Atomic number 27
calcium ion
Ca2+
What is H2SO4 ?
Sulfuric acid
silver ion
Ag+
What is the charge on an atom ?
Zero / Neutral
What is pH a measure of
The concetration of Hyrdogen ions (H+)
Do alkenes of alkanes have a double carbon to carbon bond ?
Alkenes
What is the the Realtive Formula Mass (Mr) of KCl ?
K=39 CL=35.5
74.5
Formula for Magnesium oxide
MgO
iron (III) ion
Fe3+
Which element has the symbol
S
Atomic Number 16
Sulfur
carbonate
CO32-
What happens to the electorns in covalent bonds
They are shared
Name the unreactive elements at the bottom of the reactivity series
Hydrogen, Copper
What is always conserved in a chemical reaction
Mass (and energy)
What is the the Realtive Formula Mass (Mr) of HCl ?
CL=35.5
36.5
What is the the Realtive Formula Mass (Mr) of MgCl2 ?
Mg=24 Cl=35.5
95
Formula for Sodium carbonate
Na2CO3
What is Na2CO3 ?
Sodium carbonate
What is the relative mass of a neutron ?
1
Formula for Sodium phosphate
Na3PO4
Symbol for Aluminium
Al
Atomic number 13
Which ion is responsible for acidity
Hydrogen (H+)
Formula for Phosphoric acid
H3PO4
copper(II) ion
Cu2+
Symbol for Phosphorus
P
Atomic number 15
What is the the Realtive Formula Mass (Mr) of Cl2 ?
CL=35.5
71
What is the the Realtive Formula Mass (Mr) of I2 ?
I=127
254
Formula for Calcium carbonate
CaCO3
Which element has the symbol
Br
Atomic Number 35
Bromine
Formula for Fluorine gas
F2
Formula for sodium carbonate
Na2CO3
Symbol for Sulfur
S
Atomic number 16
Formula for Methanol
CH3OH
Formula for Potassium nitrate
KNO3
Which element has the symbol
Ca
Atomic Number 20
Calcium
Formula for Silver chloride
AgCl
What is CH3OH ?
Methanol
Which element has the symbol
O
Atomic Number 8
Oxygen
Symbol for Argon
Ar
Atomic number 18
What is the relative mass of a electron ?
tiny (1/1860)
Formula for Potassium hydroxide
KOH
Formula for Chlorine gas
Cl2
potassium ion
K+
Which element has the symbol
N
Atomic Number 7
Nitrogen
What is the charge on a proton ?
1
Formula for Calcium hydroxide
Ca(OH)2
What elements are there in a hydrocarbon
Hydrogen and Carbon
Symbol for Helium
He
Atomic number 2
Which element has the symbol
K
Atomic Number 19
Potassium
Formula for Chlorine gas
Cl2
Which element has the symbol
C
Atomic Number 6
Carbon
Name the very reactive metals at the top of the reactivity series (in order)
Potassium, Sodium, Lithium, Calcium
What is F2 ?
Fluorine gas
What is ZnCl2 ?
Zinc chloride
zinc ion
Zn2+
What is Na2SO4 ?
Sodium sulphate
Symbol for Oxygen
O
Atomic number 8
ammonium ion
NH4+
What is H3PO4 ?
Phosphoric acid
Which element has the symbol
Co
Atomic Number 27
Cobalt
Lithium ions burn with what colour flame ?
Crimson
Symbol for Magnesium
Mg
Atomic number 12
Test for Bromide
Cream precipitate if you add a few drops of dlimute nitric acid and then a few drops of silver nitrate solution
Formula for Calcium nitrate
Ca(NO3)2
Formula for Sulfur dioxide
SO2
Symbol for Calcium
Ca
Atomic number 20
Formula for Lead nitrate
Pb(NO3)2
What is Na3PO4 ?
Sodium phosphate
Sodium ions burn with what colour flame ?
Yellow
Symbol for Silicon
Si
Atomic number 14