8F Quick Quiz

On your answer sheet, write in or circle the correct letter for each question.

8Fa
1 When magnesium ribbon reacts with steam
a solid called magnesium oxide and
hydrogen gas are formed. In this reaction,
which element has the lowest boiling
point?
A hydrogen
B water
C magnesium 3 Which of the following always happens
D magnesium oxide during a chemical reaction?
A Compounds react and split up into free
2 The correct symbol for carbon is:
atoms.
A C B Ca B Elements join together to make new
C Car D ø elements.
C Atoms are broken down into smaller
3 According to Dalton’s theory, elements: particles.
A are always solids. D The atoms in the reactants are
B contain only one kind of atom. rearranged to make the products.
C can be split up into simpler substances. 4 Which of the following could have the
D contain at least two different kinds of formula XY2?
atom.
4 Which of these diagrams shows the
particles in a compound?

8Fc
1 Which two elements in the periodic table
below would have the most similar
8Fb chemical properties?

1 The main difference between a chemical

change and a physical change is that in a
chemical change you always get:
A a change of state.
B heat given out. A 1&4 B 2&3
C a change in colour. C 1&6 D 5&6
D a new substance being formed. 2 Which element is very unreactive?
2 Which of the following is a chemical A helium B lithium
change? C hydrogen D fluorine

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 8F Quick Quiz

3 Which of the following describes a group 1 4 Some information about group 0 elements
element? is given below.
A a very reactive metal
Element He Ne Ar Kr
B a very unreactive metal
Density 0.2 0.9 1.8 3.7
C a very reactive non-metal (g/cm3 ×
D a very unreactive non-metal 1000)
4 The elements are arranged in the periodic The density of group 0 elements:
table in order of increasing:
A does not change down the group.
A density. C melting point.
B increases down the group.
B reactivity. D atomic number.
C decreases down the group.
8Fd D shows no pattern within the group.
1 The melting point of a substance is:
8Fe
A higher than its boiling point.
1 When lithium reacts with water, one
B lower than its freezing point. product is:
C higher than its freezing point. A carbon dioxide.
D the same temperature as its freezing B lithium dioxide.
point. C dihydrogen oxide.
2 Which of the following substances will be a D lithium hydroxide.
liquid at 350 °C?
2 Compared to sulfur dioxide, lithium oxide is
Substance Melting Boiling likely to have:
point (°C) point (°C) A a lower melting point and higher pH.
A 50 280 B a higher melting point and higher pH.
C a higher melting point and lower pH.
B 100 340
D a lower melting point and lower pH.
C 320 600 3 In which of the following pairs of elements
is the second element more reactive than
D 400 650 the first element?
3 Where are most non-metals found in the A sodium and potassium
periodic table? B sodium and lithium
C chlorine and bromine
D fluorine and chlorine
4 Francium is a very rare element found at
the bottom of group 1. Francium is likely to
be:
A a metal that reacts violently with water.
B a metal that does not react easily.
C a non-metal that reacts with metals.
D a non-metal gas that is very unreactive.

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