MCQ

CH3 - ATOMS AND ELEMENTS

Which element does not form a stable ion with the same electronic structure as argon?

2017 Summer

2

MCQ

CH3 - ATOMS AND ELEMENTS

Which statements about isotopes of the same element are correct?1 They are atoms which have the same chemical properties because they have the same nu...

2016 Summer

2

MCQ

CH3 - ATOMS AND ELEMENTS

Which row describes silicon(IV) oxide? [Table_1]

2017 Winter

2

MCQ

CH3 - ATOMS AND ELEMENTS

The table shows information about four different particles.[Table_1]What are the values of W, X, Y and Z?

2016 Winter

2

MCQ

CH3 - ATOMS AND ELEMENTS

Why do isotopes of the same element have the same chemical properties?

2017 Winter

2

MCQ

CH3 - ATOMS AND ELEMENTS

Which statements about isotopes of the same element are correct?1. They are atoms which have the same chemical properties because they have the same n...

2016 Summer

1

MCQ

CH3 - ATOMS AND ELEMENTS

The electronic structures of atoms Q and R are shown.Q and R form an ionic compound.What is the formula of the compound?

2017 Summer

2

MCQ

CH3 - ATOMS AND ELEMENTS

An atom has three electron shells. There are three electrons in the outer shell. How many protons and how many neutrons are in this atom? [Table_1]

2016 Winter

2

MCQ

CH3 - ATOMS AND ELEMENTS

Carbon has three naturally occurring isotopes, $^{12} ext{C}$, $^{13} ext{C}$ and $^{14} ext{C}$.Which statement explains why the isotopes have the sa...

2017 Winter

3

MCQ

CH3 - ATOMS AND ELEMENTS

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

2017 Winter

2

MCQ

CH11 - ACIDS AND BASES

A student investigated the diffusion of ammonia gas, NH$_3$, and hydrogen chloride gas, HCl.Two sets of apparatus were set up as shown at room tempera...

2018 Summer

2

MCQ

CH2 - SEPARATING SUBSTANCES

Chromatography is a technique used to separate coloured dyes.Which dye has an $R_f$ value of 0.7?

2018 Summer

2

MCQ

CH2 - SEPARATING SUBSTANCES

Which piece of apparatus is used to measure exactly 26.3 cm³ of a liquid?

2018 Summer

1

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...

2018 Summer

2

MCQ

CH3 - ATOMS AND ELEMENTS

Chlorine exists as two common isotopes, $^{35}Cl$ and $^{37}Cl$.Information about these two isotopes is shown.[Table_1]Which statement explains why th...

2018 Summer

3

MCQ

CH4 - ATOMS COMBINING

Which substance is not a macromolecule?

2018 Summer

2

MCQ

CH12 - THE PERIODIC TABLE

Copper is a metallic element. Which statements about copper are correct? 1. Copper is malleable because layers of ions are in fixed positions and ca...

2018 Summer

2

MCQ

CH6 - USING MOLES

The equation for the combustion of ethane is shown.$2C_2H_6 + 7O_2 \rightarrow 4CO_2 + 6H_2O$Which volume of carbon dioxide, at room temperature and p...

2018 Summer

2

MCQ

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

A solution of ethanoic acid, CH$_3$COOH, has a concentration of 2 mol/dm$^3$.Which statement about this solution is correct?

2018 Summer

2

MCQ

CH7 - REDOX REACTIONS

Aqueous copper(II) sulfate is electrolysed using copper electrodes. Which statement is correct?

2018 Summer

2