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

3

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

CH3 - ATOMS AND ELEMENTS

The table shows the numbers of protons, neutrons and electrons in particles A to I.[Table_1]Answer the following questions about particles A to I. Eac...

2021 Spring

1

Theory

CH15 - AIR AND WATER

The elements shown are gases at room temperature and pressure.hydrogennitrogenoxygenchlorine(a) State which one of these gases is green..................

2021 Spring

1

Theory

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

This question is about ammonia.(a) Nitrogen reacts with hydrogen to form ammonia in an industrial process.$$N_2(g) + 3H_2(g) \rightleftharpoons 2NH_3(...

2021 Spring

1

Theory

Stoichiometry

A student wanted to make some zinc chloride crystals. The student followed the procedure shown. step 1 Add excess zinc powder to dilute hydrochlor...

2021 Spring

2

Theory

Plastics

The table shows the names or structures of organic compounds P to U. (a) Give the letters of the organic compounds, P to U, that are unsaturated hy...

2021 Spring

1

Theory

CH18 - POLYMERS

Polymers are large molecules built up from small molecules.(a) State the name given to the small molecules from which polymers are made..................

2021 Spring

2

MCQ

CH1 - STATES OF MATTER

A gas is released at point P in the apparatus shown. Which gas turns the damp universal indicator paper red most quickly?

2021 Summer

2

MCQ

CH2 - SEPARATING SUBSTANCES

A mixture is separated using the apparatus shown. What is the mixture?

2021 Summer

2

MCQ

CH2 - SEPARATING SUBSTANCES

Which statement about paper chromatography is correct?

2021 Summer

2

MCQ

CH3 - ATOMS AND ELEMENTS

Element X has 7 protons. Element Y has 8 more protons than X. Which statement about element Y is correct?

2021 Summer

1