Chemistry Test (All Rights to the Website)

Topics: Periodic table, Sodium chloride, Chlorine Pages: 26 (3884 words) Published: March 8, 2013
GCSE CHEMISTRY
High Demand Questions

THE PERIODIC TABLE QUESTIONSHEET 1

The boxes represent particles of different gases. One box shows the particles of elements in group 0 (group 8).

A (a) (i)

B

C

D

What name is given to group 0 (8) elements?

(ii) Name two elements from group 0.

......................................................................................................................................................................... [2] (b) (i) Which box best represents particles from group 0 elements?

......................................................................................................................................................................... [1] (ii) Explain the reason for your answer.

.............................................................................................................................................................................. ......................................................................................................................................................................... [1] (c) A lighted splint is put into a gas jar of helium. What would happen? ......................................................................................................................................................................... [1] (d) (i) Some properties of elements change as you go down their group in the periodic table. For each property listed below, comment on if and how it changes as you go down group 0. reactivity

......................................................................................................................................................................... [1]

......................................................................................................................................................................... [1] (iii) metal or non-metal

......................................................................................................................................................................... [1] (e) Which would be the best method to distinguish between different samples of group 0 gases? Choose from the list below: (i) (ii) (iii) (iv) shake the sample with water and add an indicator, do a flame test, put a lighted splint into a sample of each gas, measure the density of each.

......................................................................................................................................................................... [1] TOTAL / 10

ww

(ii) density

w.c

he ma ctiv

e.c o

m

......................................................................................................................................................................... [1]

GCSE CHEMISTRY
High Demand Questions

THE PERIODIC TABLE QUESTIONSHEET 2

The diagram represents a sodium atom and a sodium ion.
x x x xx x x xx x x x x xx x x xx x x

A (a) (i)

B

Which diagram represents the sodium atom?

(ii) Give reasons for your choice.

.............................................................................................................................................................................. ......................................................................................................................................................................... [2] (iii) Sodium is in group 1 of the periodic table. How can you tell this from its electron structure?

(b) (i)

What is an ion?

......................................................................................................................................................................... [1] (ii) Potassium is also in group 1 of the periodic table. What is the symbol for the potassium ion? Choose from: K K+ K2+ KK2-...
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