WorksheetsElements of Surprise - Whole Topic
Total questions: 59
Worksheet time: 31mins
A substance made up of only one type of atom is a what?
Compound
Element
Mixture
Gas
How are elements arranged in the Periodic Table?
In alphabetical order
By their symbol
In order of increasing atomic number
Randomly
What is the atomic number of silver?
Ag
47
108
Metal
Which element has the symbol Ca?
Carbon
Calcium
Cadmium
Caesium
What is the chemical symbol for Tin?
(a)
Li is the chemical symbol for which element?
(a)
Is Antimony, Sb, a metal or a non-metal?
Metal
Non-metal
Which of the elements below are solid at room temperature?
Nitrogen
Chlorine
Magnesium
Mercury
Is Boron (B) a metal or a non-metal?
Metal
Non-metal
Which of the elements below are liquids at room temperature?
Carbon
Oxygen
Mercury
Scandium
Bromine
What do elements in the same group have in common?
They look similar
They have similar chemical properties
They have similar physical properties
They are all the same state
A horizontal row in the Periodic Table is known as a (a) ?
How reactive are the noble gases?
Very reactive
Quite reactive
Not very reactive
Unreactive / inert
Which group can be described as very reactive metals?
Halogens
Noble gases
Alkali metals
Transition metals
The alkali metals react violently with water, how are they stored to prevent this?
Carefully
In a bag
Wrapped up
In oil
What is Group 7 in the Periodic Table called?
(a)
A substance which allows electricity to pass through it is an
electrical
insulator
electrical conductor
What word describes the shine on metal when light falls on it?
luster
brittle
malleable
tarnish
Metals are able to be drawn into wires, this is because they are:
malleable
insulator
luster
ductile
Metals are able to be beaten or hammered into shapes, this is because they are:
luster
malleable
brittle
insulator
Which properties of metal makes it a good choice to make a cooking pot out of? Choose TWO
it has luster - it is shiny
it is a good conductor of heat
it is ductile - able to be made into a wire
it has a high melting point
Which property of metal makes it a good choice to make a bridge from?
it has luster
it is strong
it conducts electricity
it has magnetism
What does the word "thermal" mean?
metal
heat
electric
shiny
Why is there always a plastic or rubber covering on wires for things that we plug in to electrical outlets?
because the wire is made of metal and metals conduct electricity, so it would shock you
to cover up the luster of the metal that the wire is made from
to make sure it doesn't attract to a magnet
so it won't get bent
Why are pots and pans made out of metal?
because metals have luster
because metals are heavy
because metals conduct heat
because metals conduct electricity
ALL metals are magnetic.
true
false
Which diagrams in the image represent a compound?
A
B
C
D
True or false?
A compound is a substance that contains more than 1 type of element joined together.
True
False
True or false?
A compound is formed when elements react together in a chemical reaction.
True
False
Compounds which contain only two elements always have names ending in....
ide
ite
ate
ium
Select all of the elements below that are in the compound potassium chloride
Potassium
Chromium
Chlorine
Oxygen
Select all of the elements below that are in the compound copper sulfate
Sulfur
Copper
Sulfate
Oxygen
What is the correct name for the compound formed from silver, nitrogen and oxygen
Silver nitrogenate
Silver nitride
Nitrogen silvate
Silver nitrate
What is the correct name for the compound formed from lithium and hydrogen?
Lithium hydrate
Hydrogen lithide
Lithium hydride
Lithium hydrite
How many atoms of hydrogen are in methane which has the formula CH4?
0
1
2
4
What is the formula for hydrogen sulfide as shown in the picture?
HS
H2S
H2S2
HS2
How many Chlorine atoms are in a molecule of chloroform as shown in the picture?
1
2
3
4
Sulfuric acid is shown in the diagram. What is the formula for this molecule?
HSO
HSO4
H2SO4
2H1S4O
What it the test of hydrogen gas?
(a)
What is the name of the chemical which turns cloudy in the presence of carbon dioxide gas?
water
lemon water
limewater
Cloudy water
What is the test for oxygen gas?
Burns with a pop
Turns limewater cloudy
Extinguishes a lit splint
Relights a glowing splint
What is the name of this separation technique?
Distillation
Boiling
Evaporation
What is the name of this separation technique?
distillation
filtration
evaporation
chromatography
What is the name of this technique used to separate mixtures of dyes or inks?
Filtration
Distillation
Chromatography
Colour Spreading
Which ink is a mixture?
Blue
Red
Yellow
Black
Referring to the chromatogram in the picture, select all of the colours that black ink contains.
Blue
Red
Yellow
Green
Which separation technique is used to obtain salt from seawater?
Simple distillation
Filtration
Chromatography
Evaporation
During filtration, the solid that is trapped in the filter paper is called ..A.. and the liquid that has passed through the filter paper is called ..B..
A: residue B: filtrate
A: residue B: filterate
A: filtrate B: residue
A: filterate B: residue
Dyes in a felt-tip pen may be separated by....
Distillation
Decanting
Chromatography
Centrifuge
No matter what you do, sand will not dissolve in water, because sand is _________.
dissolved
soluble
insoluble
aqueous
Iron can be separated from sulfur powder using....
filtration
distillation
chromatography
a magnet
Mixtures are relatively easy to separate. True or False?
True
False
A rock containing metal a element, which exist naturally on Earth are called Metal (a)
Metals can be hard to extract from ores. What is often required to extract a metal from it's ore.
Energy
Ice
A drill
Magnets
