Fechar
what happens to metals electrons
what happens to non-metals electrons ?
name 3 properties of ionic bonding
what atoms have covalent bonding
19
F
9
what is the atomic mass and atomic number
what is the atomic mass?
what is the atomic number ?
19
F
9
what is the number of neutrons
lithium produces a _______ flame
lithium produces a ______ solid
sodium produces a ________ flame
potassium produces a _______ flame
lithium + oxygen =
what are three properties of sodium
lithium + oxygen + water
why does the reactivity of group 1 metals increase as you go down group 1
isotopes have the same number of what, but different number of what
isotopes have different _____ properties
what is the most and least reactive halogen
how many outer shell electrons do halogens have
what type of bond do group sevens elements have
a _______ reactive halogen will replace a _____ reactive halogen from a solution of it's ____
Cl 2 + 2NaBr ---->
chlorine gains electrons to become
bromide ions loose electrons to become
o.i.l
r.i.g
CuO + H2 ------>
oxidation is also known as...
CuO is insoluble or soluble
amount of oxygen in the air
nitrogen in the air
carbon dioxide
argon or water
test for hydrogen =
result for hydrogen =
test for oxygen =
result of oxygen
magnesium dioxide is a what
what is a catalyst
non-metals burn in air to form...
CO2 =
SO2 =
non-metal oxides dissolve in water to form...
CO2 + H2O ----->
metals burn in air to form...
the opposite of a base is a...
a base reacts with a...
carbon dioxide is a more dense gas than...
carbon dioxide is soluble in...
breaking bonds take heat energy. this is what
making bonds gives heat energy out. this is
magnesium + copper sulfate ------>
Cuo + H 2 SO 4 =
p
s
l
c
m
a
z
i
c
s
g
how do you figure out the % of volume of air.
argon is called a noble gas because it is ....
the percentage of _____ ______ in the air varies with the weather
identify the acid formed when sulfur dioxide reacts with water
identify another pollutant gas that forms acid rain
what are 2 uses of carbon dioxide
chemical equation to show the formation of an acidic solution from sulfur dioxide
aluminium phosphate
magnesium phosphate
magnesium nitrate
sodium chloride + silver nitrate ----->
sodium nitrate + silver bromide =
sodium nitrate + silver chloride =
sodium nitrate + silver iodine +
lithium chloride
sodium chloride
potassium chloride
copper chloride
adding silver nitrate and nitric acid produced a green precipitate, a red flame was observed when burnt. what is the name of the compound ?
how do we know this?
ammonium
sodium, potassium and ammonium salts are...
all nitrates are...
all chlorides (not silver) are ...
all sulfates (not barium or calcium) are...
all carbonates are insoluble but...
why do we test HNO 3and Ar NO3
copper forms a what precipitate
iron 2+ forms a what precipitate
iron 3+ forms a what precipitate
iodine gas is what colour
iodine solid is what colour
metal + acid ----->
m a
metal oxide + acid ----->
mo a
metal hydroxide + acid ----->
metal carbonate + acid ----->
