MCQ

CH4 - ATOMS COMBINING

In which compounds are pairs of electrons shared between atoms?1 sodium chloride2 methane3 lead bromide

2010 Summer

1

MCQ

CH4 - ATOMS COMBINING

Element X has six electrons in its outer shell.How could the element react?

2010 Summer

2

MCQ

CH4 - ATOMS COMBINING

In the diagrams, circles of different sizes represent atoms of different elements. Which diagram represents hydrogen chloride gas?

2011 Summer

2

MCQ

CH4 - ATOMS COMBINING

Which row shows the change that takes place when element X gains the new particle shown? [Table_1]

2010 Summer

2

MCQ

CH4 - ATOMS COMBINING

Which two elements react together to form an ionic compound?[Table_1]Table 1: Electronic structures of the elements W, X, Y, and Z.

2011 Summer

1

MCQ

CH4 - ATOMS COMBINING

The diagrams show the structures of two forms, P and Q, of a solid element. What are suitable uses of P and Q, based on their structures?

2009 Summer

2

MCQ

CH4 - ATOMS COMBINING

The 'lead' in a pencil is made of a mixture of graphite and clay. When the percentage of graphite is increased, the pencil slides across the paper mor...

2014 Summer

2

MCQ

CH4 - ATOMS COMBINING

Electrons from each element are shared by both of the elements in a compound. Which compound matches this description?

2013 Summer

2

MCQ

CH4 - ATOMS COMBINING

Element V forms an acidic, covalent oxide. Which row in the table shows how many electrons there could be in the outer shell of an atom of V? [Table_1...

2009 Summer

2

MCQ

CH4 - ATOMS COMBINING

The electronic structures of two atoms, X and Y, are shown. X and Y combine together to form a compound. What is the type of bonding in the compou...

2014 Summer

2

MCQ

CH1 - STATES OF MATTER

The diagrams show the arrangement of particles in three different physical states of substance X.Which statement about the physical states of substanc...

2011 Summer

2

MCQ

CH2 - SEPARATING SUBSTANCES

An aqueous solution is coloured.Which method of separation would show that the solution contains ions of different colours?

2011 Summer

1

MCQ

CH2 - SEPARATING SUBSTANCES

The table gives the solubility of four substances in ethanol and in water.A mixture containing all four substances is added to ethanol, stirred and fi...

2011 Summer

2

MCQ

CH4 - ATOMS COMBINING

Which two elements react together to form an ionic compound?[Table_1]element | electronic structure---------|---------------------W | 2,4X ...

2011 Summer

2

MCQ

CH3 - ATOMS AND ELEMENTS

The diagram shows part of the Periodic Table. Which element is correctly matched with its electronic structure?

2011 Summer

1

MCQ

CH4 - ATOMS COMBINING

In the diagrams, circles of different sizes represent atoms of different elements. Which diagram represents hydrogen chloride gas?

2011 Summer

2

MCQ

CH4 - ATOMS COMBINING

The nucleon number and proton number of the lithium atom are shown by the symbol $^7_3\text{Li}$. What is the correct symbol for the lithium ion in l...

2011 Summer

2

MCQ

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

What is the relative molecular mass ($M_r$) of $HNO_3$?

2011 Summer

1

MCQ

CH14 - MAKING USE OF METALS

Electricity from a power station passes through overhead cables to a substation and then to a school where it is used to electrolyse concentrated hydr...

2011 Summer

1

MCQ

CH1 - STATES OF MATTER

Which statement about the electrolysis of molten lead(II) bromide is correct?

2011 Summer

2