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Worksheets8F The Periodic Table
Total questions: 20
Worksheet time: 20mins
According to Dalton’s theory, elements:
are always solids.
contain only one kind of atom.
can be split up into simpler substances.
contain at least two different kinds of atom.
Which of these diagrams shows the particles in a compound?
When magnesium ribbon reacts with steam a solid called magnesium oxide and hydrogen gas are formed.
Which of the following completes the word equation for this reaction which starts:
magnesium + ...
hydrogen --> magnesium + water
water --> magnesium oxide + hydrogen
water --> magnesium + hydrogen
magnesium oxide --> hydrogen + water
The correct symbol for iron is
I
Ir
Fe
fe
Which of the following always happens during a chemical reaction?
Compounds react and split up into free atoms.
Elements join together to make new elements.
Atoms are broken down into smaller particles.
The atoms in the reactants are rearranged to make the products.
Which of the following is a chemical change?
The main difference between a chemical change and a physical change is that in a chemical change you always get
a change of state.
heat given out.
a change in colour.
a new substance being formed.
Which of the following could have the formula XY2?
Which two elements in the periodic table below would have the most similar chemical properties?
1 & 4
2 & 3
1 & 6
5 & 6
Which element is very unreactive?
Helium
Lithium
Hydrogen
Fluorine
Which of the following describes a group 1 element?
a very reactive metal
a very unreactive metal
a very reactive non-metal
a very unreactive non-metal
Where are most non-metals found in the periodic table?
A
B
C
D
Which of the following substances will be a liquid at 350 °C?
A
B
C
D
Which list contains three typical properties of non-metals?
good conductor of heat, brittle, low melting point
good conductor of electricity, strong, high melting point
poor conductor of heat, strong, high melting point
poor conductor of electricity, weak, low melting point
Some information about group 0 elements is given below.
This data shows that the density of group 0 elements:
does not change down the group.
increases down the group.
decreases down the group.
shows no pattern within the group.
When magnesium is heated and reacts with oxygen gas…
it glows red and forms magnesium oxide gas.
it burns brightly and forms magnesium oxide gas.
it glows red and forms solid white magnesium oxide.
it burns brightly and forms solid white magnesium oxide.
Compared to sulfur dioxide, lithium oxide is likely to have…
a lower melting point and higher pH.
a higher melting point and higher pH.
a higher melting point and lower pH.
a lower melting point and lower pH.
In which of the following pairs of elements is the second element more reactive than the first element?
sodium and potassium
sodium and lithium
chlorine and bromine
fluorine and chlorine
Astatine is a very rare element found at the bottom of group 7. Astatine is likely to be:
a non-metal gas that is very unreactive.
a metal that reacts with water.
a metal that does not react easily.
a non-metal that reacts with metals.
The elements were arranged in the periodic table in order of increasing:
density
reactivity
melting point
masses of atoms
