MCQ

CH4 - ATOMS COMBINING

Graphite and diamond are both forms of the element carbon.Which row shows the number of other carbon atoms that each carbon atom is covalently bonded ...

2017 Summer

1

MCQ

CH4 - ATOMS COMBINING

The table shows the electronic structure of four atoms.[Table_1]Which two atoms combine to form a covalent compound?

2016 Summer

2

MCQ

CH4 - ATOMS COMBINING

Which statement describes metallic bonding?

2017 Summer

1

MCQ

CH4 - ATOMS COMBINING

Which statement describes the attractive forces between molecules (intermolecular forces)?

2016 Summer

2

MCQ

CH4 - ATOMS COMBINING

Metals consist of a lattice of positive ions in a 'sea of electrons'.Why is aluminium malleable?

2016 Summer

2

MCQ

CH4 - ATOMS COMBINING

In which ionic compound do the metal ion and the non-metal ion have the same electronic structure?

2016 Winter

2

MCQ

CH4 - ATOMS COMBINING

The structure of methanal is shown. Which diagram shows the arrangement of outer shell electrons in a molecule of methanal?

2016 Winter

1

MCQ

CH4 - ATOMS COMBINING

Which dot-and-cross diagram shows the outer shell electron arrangement in a molecule of carbon dioxide?

2017 Winter

2

MCQ

CH4 - ATOMS COMBINING

Iron is a metal. Its structure consists of a giant lattice of positive ions in a 'sea of electrons'.Which statements about solid iron are correct?1. I...

2016 Winter

2

MCQ

CH4 - ATOMS COMBINING

The table shows the electronic structure of four atoms.[Table_1] Which two atoms combine to form a covalent compound?

2016 Summer

2

Theory

CH1 - STATES OF MATTER

The diagram shows how the molecules in the exhaust gases diffuse into the air.Which statement describes what happens to these molecules next?A. The mo...

2009 Summer

2

Theory

CH2 - SEPARATING SUBSTANCES

A student takes 2 g samples of calcium carbonate and adds them to 20 cm$^3$ samples of dilute hydrochloric acid at different temperatures. She measure...

2009 Summer

2

Theory

CH2 - SEPARATING SUBSTANCES

The diagram shows the paper chromatograms of four substances, W, X, Y and Z. Which two substances are pure?A W and X B W and Y C X and Y D X and Z

2009 Summer

1

Theory

CH3 - ATOMS AND ELEMENTS

An element S has the proton number 18. The next element in the Periodic Table is an element T. Which statement is correct?A Element T has one more ele...

2009 Summer

2

Theory

CH3 - ATOMS AND ELEMENTS

Which numbers are added together to give the nucleon number of an ion?A number of electrons + number of neutronsB number of electrons + number of prot...

2009 Summer

1

Theory

CH3 - ATOMS AND ELEMENTS

The electronic configuration of an ion is 2.8.8.What could this ion be?[Table_1]

2009 Summer

1

Theory

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?[Table_1]

2009 Summer

2

Theory

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...

2009 Summer

2

Theory

CH4 - ATOMS COMBINING

When sodium chloride is formed from its elements, each chlorine atom ......1...... one ......2....... Which words correctly complete gaps 1 and 2? [...

2009 Summer

2

Theory

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

Nitrogen and hydrogen react together to form ammonia.$N_2 + 3H_2 \rightarrow 2NH_3$When completely converted, 7 tonnes of nitrogen gives 8.5 tonnes of...

2009 Summer

3